diff --git a/lib/TrivialReporter.js b/lib/TrivialReporter.js
index 0025ede..9abd667 100644
--- a/lib/TrivialReporter.js
+++ b/lib/TrivialReporter.js
@@ -134,7 +134,10 @@ jasmine.TrivialReporter.prototype.reportSpecResults = function(spec) {
   var messagesDiv = this.createDom('div', { className: 'messages' });
   for (var i = 0; i < resultItems.length; i++) {
     var result = resultItems[i];
-    if (result.passed && !result.passed()) {
+
+    if (result.type == 'MessageResult') {
+      messagesDiv.appendChild(this.createDom('div', {className: 'resultMessage log'}, result.toString()));
+    } else if (result.type == 'ExpectationResult' && result.passed && !result.passed()) {
       messagesDiv.appendChild(this.createDom('div', {className: 'resultMessage fail'}, result.message));
 
       if (result.trace.stack) {
diff --git a/lib/jasmine-0.10.4.js b/lib/jasmine-0.10.4.js
index 73885cc..1511619 100644
--- a/lib/jasmine-0.10.4.js
+++ b/lib/jasmine-0.10.4.js
@@ -51,14 +51,23 @@ jasmine.clearTimeout = jasmine.bindOriginal_(window, 'clearTimeout');
 jasmine.setInterval = jasmine.bindOriginal_(window, 'setInterval');
 jasmine.clearInterval = jasmine.bindOriginal_(window, 'clearInterval');
 
-jasmine.MessageResult = function(text) {
+jasmine.MessageResult = function(values) {
   this.type = 'MessageResult';
-  this.text = text;
+  this.values = values;
   this.trace = new Error(); // todo: test better
 };
 
 jasmine.MessageResult.prototype.toString = function() {
-  return this.text;
+  var text = "";
+  for(var i = 0; i < this.values.length; i++) {
+    if (i > 0) text += " ";
+    if (jasmine.isString_(this.values[i])) {
+      text += this.values[i];
+    } else {
+      text += jasmine.pp(this.values[i]);
+    }
+  }
+  return text;
 };
 
 jasmine.ExpectationResult = function(params) {
@@ -395,8 +404,9 @@ jasmine.createSpyObj = function(baseName, methodNames) {
   return obj;
 };
 
-jasmine.log = function(message) {
-  jasmine.getEnv().currentSpec.log(message);
+jasmine.log = function() {
+  var spec = jasmine.getEnv().currentSpec;
+  spec.log.apply(spec, arguments);
 };
 
 /**
@@ -1045,11 +1055,11 @@ jasmine.JsApiReporter.prototype.resultsForSpecs = function(specIds){
 
 jasmine.JsApiReporter.prototype.summarizeResult_ = function(result){
   var summaryMessages = [];
-  var messagesLength = result.messages.length
+  var messagesLength = result.messages.length;
   for (var messageIndex = 0; messageIndex < messagesLength; messageIndex++) {
     var resultMessage = result.messages[messageIndex];
     summaryMessages.push({
-      text: resultMessage.text,
+      text: resultMessage.type == 'MessageResult' ? resultMessage.toString() : jasmine.undefined,
       passed: resultMessage.passed ? resultMessage.passed() : true,
       type: resultMessage.type,
       message: resultMessage.message,
@@ -1057,14 +1067,12 @@ jasmine.JsApiReporter.prototype.summarizeResult_ = function(result){
         stack: resultMessage.passed && !resultMessage.passed() ? resultMessage.trace.stack : jasmine.undefined
       }
     });
-  };
+  }
 
-  var summaryResult = {
+  return {
     result : result.result,
     messages : summaryMessages
   };
-
-  return summaryResult;
 };
 
 /**
@@ -1471,11 +1479,11 @@ jasmine.NestedResults.prototype.rollupCounts = function(result) {
 };
 
 /**
- * Tracks a result's message.
- * @param message
+ * Adds a log message.
+ * @param values Array of message parts which will be concatenated later.
  */
-jasmine.NestedResults.prototype.log = function(message) {
-  this.items_.push(new jasmine.MessageResult(message));
+jasmine.NestedResults.prototype.log = function(values) {
+  this.items_.push(new jasmine.MessageResult(values));
 };
 
 /**
@@ -1886,8 +1894,8 @@ jasmine.Spec.prototype.results = function() {
   return this.results_;
 };
 
-jasmine.Spec.prototype.log = function(message) {
-  return this.results_.log(message);
+jasmine.Spec.prototype.log = function() {
+  return this.results_.log(arguments);
 };
 
 /** @deprecated */
@@ -2106,15 +2114,15 @@ jasmine.Suite.prototype.results = function() {
   return this.queue.results();
 };
 
-jasmine.Suite.prototype.add = function(block) {
-  this.children_.push(block);
-  if (block instanceof jasmine.Suite) {
-    this.suites_.push(block);
-    this.env.currentRunner().addSuite(block);
+jasmine.Suite.prototype.add = function(suiteOrSpec) {
+  this.children_.push(suiteOrSpec);
+  if (suiteOrSpec instanceof jasmine.Suite) {
+    this.suites_.push(suiteOrSpec);
+    this.env.currentRunner().addSuite(suiteOrSpec);
   } else {
-    this.specs_.push(block);
+    this.specs_.push(suiteOrSpec);
   }
-  this.queue.add(block);
+  this.queue.add(suiteOrSpec);
 };
 
 jasmine.Suite.prototype.specs = function() {
@@ -2367,5 +2375,5 @@ jasmine.version_= {
   "major": 0,
   "minor": 10,
   "build": 4,
-  "revision": 1277227072
+  "revision": 1277234552
   };
diff --git a/spec/runner.html b/spec/runner.html
index c61a74b..416cd51 100644
--- a/spec/runner.html
+++ b/spec/runner.html
@@ -34,6 +34,7 @@
 
 
 
+  <script type="text/javascript" src="suites/BaseSpec.js"></script>
   <script type="text/javascript" src="suites/CustomMatchersSpec.js"></script>
   <script type="text/javascript" src="suites/EnvSpec.js"></script>
   <script type="text/javascript" src="suites/ExceptionsSpec.js"></script>
diff --git a/spec/suites/BaseSpec.js b/spec/suites/BaseSpec.js
new file mode 100644
index 0000000..33256f9
--- /dev/null
+++ b/spec/suites/BaseSpec.js
@@ -0,0 +1,15 @@
+describe("jasmine.MessageResult", function() {
+  it("#toString should pretty-print and concatenate each part of the message", function() {
+    var values = ["log", "message", 123, {key: "value"}, "FTW!"];
+    var messageResult = new jasmine.MessageResult(values);
+    expect(messageResult.toString()).toEqual("log message 123 { key : 'value' } FTW!");
+  });  
+});
+
+describe("jasmine.log", function() {
+  it("should accept n arguments", function() {
+    spyOn(jasmine.getEnv().currentSpec, 'log');
+    jasmine.log(1, 2, 3);
+    expect(jasmine.getEnv().currentSpec.log).wasCalledWith(1, 2, 3);
+  });
+});
\ No newline at end of file
diff --git a/spec/suites/JsApiReporterSpec.js b/spec/suites/JsApiReporterSpec.js
index aa52258..2437e46 100644
--- a/spec/suites/JsApiReporterSpec.js
+++ b/spec/suites/JsApiReporterSpec.js
@@ -1,6 +1,4 @@
 describe('jasmine.jsApiReporter', function() {
-
-
   describe('results', function () {
     var reporter, spec1, spec2, spec3, expectedSpec1Results, expectedSpec2Results;
     var env;
@@ -82,8 +80,8 @@ describe('jasmine.jsApiReporter', function() {
         expect(summarizedResult.messages[0].message).toEqual(result.messages[0].message);
         expect(summarizedResult.messages[0].passed).toBeTruthy();
         expect(summarizedResult.messages[0].type).toEqual('ExpectationResult');
-        expect(summarizedResult.messages[0].text).toEqual(jasmine.undefined);
-        expect(summarizedResult.messages[0].trace.stack).toEqual(jasmine.undefined);
+        expect(summarizedResult.messages[0].text).toBeUndefined();
+        expect(summarizedResult.messages[0].trace.stack).toBeUndefined();
       });
 
       it("should have a stack trace for failing specs", function() {
@@ -97,6 +95,7 @@ describe('jasmine.jsApiReporter', function() {
         var result = reporter.results()[spec3.id];
         var summarizedResult = reporter.summarizeResult_(result);
         expect(summarizedResult.result).toEqual('passed');
+        expect(summarizedResult.messages[0].type).toEqual('MessageResult');
         expect(summarizedResult.messages[0].text).toEqual('some debug message');
       });
     });
diff --git a/spec/suites/SpecSpec.js b/spec/suites/SpecSpec.js
index de6640d..7a83258 100644
--- a/spec/suites/SpecSpec.js
+++ b/spec/suites/SpecSpec.js
@@ -34,7 +34,6 @@ describe('Spec', function () {
       expect(spec2.id).toEqual(1);
       expect(spec3.id).toEqual(2);
     });
-
   });
 
   it('getFullName returns suite & spec description', function () {
@@ -106,5 +105,20 @@ describe('Spec', function () {
         expect(results.passed()).toEqual(true);
       });
     });
+
+    it("includes log messages, which may contain arbitary objects", function() {
+      spec.runs(function() {
+        this.log("here's some log message", {key: 'value'}, 123);
+      });
+      spec.execute();
+      var items = results.getItems();
+      expect(items).toEqual([
+          jasmine.any(jasmine.ExpectationResult),
+          jasmine.any(jasmine.ExpectationResult),
+          jasmine.any(jasmine.MessageResult)
+      ]);
+      var logResult = items[2];
+      expect(logResult.values).toEqual(["here's some log message", {key: 'value'}, 123]);
+    });
   });
 });
\ No newline at end of file
diff --git a/spec/suites/TrivialReporterSpec.js b/spec/suites/TrivialReporterSpec.js
index a7ab433..23cc314 100644
--- a/spec/suites/TrivialReporterSpec.js
+++ b/spec/suites/TrivialReporterSpec.js
@@ -1,9 +1,16 @@
 describe("TrivialReporter", function() {
+  var env;
   var trivialReporter;
   var body;
+  var fakeDocument;
 
   beforeEach(function() {
+    env = new jasmine.Env();
+    env.updateInterval = 0;
+
     body = document.createElement("body");
+    fakeDocument = { body: body, location: { search: "" } };
+    trivialReporter = new jasmine.TrivialReporter(fakeDocument);
   });
 
   function fakeSpec(name) {
@@ -17,6 +24,7 @@ describe("TrivialReporter", function() {
   function findElements(divs, withClass) {
     var els = [];
     for (var i = 0; i < divs.length; i++) {
+      console.log(divs[i], divs[i].className);
       if (divs[i].className == withClass) els.push(divs[i]);
     }
     return els;
@@ -29,16 +37,15 @@ describe("TrivialReporter", function() {
   }
 
   it("should run only specs beginning with spec parameter", function() {
-    var trivialReporter = new jasmine.TrivialReporter({ location: {search: "?spec=run%20this"} });
+    fakeDocument.location.search = "?spec=run%20this";
     expect(trivialReporter.specFilter(fakeSpec("run this"))).toBeTruthy();
     expect(trivialReporter.specFilter(fakeSpec("not the right spec"))).toBeFalsy();
     expect(trivialReporter.specFilter(fakeSpec("not run this"))).toBeFalsy();
   });
 
   it("should display empty divs for every suite when the runner is starting", function() {
-    var trivialReporter = new jasmine.TrivialReporter({ body: body });
     trivialReporter.reportRunnerStarting({
-      env: new jasmine.Env(),
+      env: env,
       suites: function() {
         return [ new jasmine.Suite({}, "suite 1", null, null) ];
       }
@@ -61,7 +68,6 @@ describe("TrivialReporter", function() {
 
     var runner, spec, fakeTimer;
     beforeEach(function () {
-      var env = new jasmine.Env();
       fakeTimer = new jasmine.FakeTimer();
       env.setTimeout = fakeTimer.setTimeout;
       env.clearTimeout = fakeTimer.clearTimeout;
@@ -72,7 +78,7 @@ describe("TrivialReporter", function() {
       runner.add(suite);
       spec = new jasmine.Spec(env, suite, 'some spec');
       suite.add(spec);
-      var trivialReporter = new jasmine.TrivialReporter({ body: body, location: {search: "?"} });
+      fakeDocument.location.search = "?";
       env.addReporter(trivialReporter);
     });
 
@@ -117,9 +123,8 @@ describe("TrivialReporter", function() {
         }
       };
 
-      trivialReporter = new jasmine.TrivialReporter({ body: body });
       trivialReporter.reportRunnerStarting({
-        env: new jasmine.Env(),
+        env: env,
         suites: function() {
           return [ new jasmine.Suite({}, "suite 1", null, null) ];
         }
@@ -155,4 +160,20 @@ describe("TrivialReporter", function() {
     });
   });
 
+  describe("log messages", function() {
+    it("should appear in the report", function() {
+      env.describe("suite", function() {
+        env.it("will have log messages", function() {
+          this.log("this is a", "multipart log message");
+        });
+      });
+
+      env.addReporter(trivialReporter);
+      env.execute();
+
+      var divs = body.getElementsByTagName("div");
+      var errorDiv = findElement(divs, 'resultMessage log');
+      expect(errorDiv.innerHTML).toEqual("this is a multipart log message");
+    });
+  });
 });
diff --git a/src/JsApiReporter.js b/src/JsApiReporter.js
index 7f4d8a5..f897839 100644
--- a/src/JsApiReporter.js
+++ b/src/JsApiReporter.js
@@ -80,11 +80,11 @@ jasmine.JsApiReporter.prototype.resultsForSpecs = function(specIds){
 
 jasmine.JsApiReporter.prototype.summarizeResult_ = function(result){
   var summaryMessages = [];
-  var messagesLength = result.messages.length
+  var messagesLength = result.messages.length;
   for (var messageIndex = 0; messageIndex < messagesLength; messageIndex++) {
     var resultMessage = result.messages[messageIndex];
     summaryMessages.push({
-      text: resultMessage.text,
+      text: resultMessage.type == 'MessageResult' ? resultMessage.toString() : jasmine.undefined,
       passed: resultMessage.passed ? resultMessage.passed() : true,
       type: resultMessage.type,
       message: resultMessage.message,
@@ -92,13 +92,11 @@ jasmine.JsApiReporter.prototype.summarizeResult_ = function(result){
         stack: resultMessage.passed && !resultMessage.passed() ? resultMessage.trace.stack : jasmine.undefined
       }
     });
-  };
+  }
 
-  var summaryResult = {
+  return {
     result : result.result,
     messages : summaryMessages
   };
-
-  return summaryResult;
 };
 
diff --git a/src/NestedResults.js b/src/NestedResults.js
index 69de9e0..461c133 100644
--- a/src/NestedResults.js
+++ b/src/NestedResults.js
@@ -38,11 +38,11 @@ jasmine.NestedResults.prototype.rollupCounts = function(result) {
 };
 
 /**
- * Tracks a result's message.
- * @param message
+ * Adds a log message.
+ * @param values Array of message parts which will be concatenated later.
  */
-jasmine.NestedResults.prototype.log = function(message) {
-  this.items_.push(new jasmine.MessageResult(message));
+jasmine.NestedResults.prototype.log = function(values) {
+  this.items_.push(new jasmine.MessageResult(values));
 };
 
 /**
diff --git a/src/Spec.js b/src/Spec.js
index e84adfa..8e074b6 100644
--- a/src/Spec.js
+++ b/src/Spec.js
@@ -37,8 +37,8 @@ jasmine.Spec.prototype.results = function() {
   return this.results_;
 };
 
-jasmine.Spec.prototype.log = function(message) {
-  return this.results_.log(message);
+jasmine.Spec.prototype.log = function() {
+  return this.results_.log(arguments);
 };
 
 /** @deprecated */
diff --git a/src/base.js b/src/base.js
index 2948888..f373aa5 100755
--- a/src/base.js
+++ b/src/base.js
@@ -51,14 +51,23 @@ jasmine.clearTimeout = jasmine.bindOriginal_(window, 'clearTimeout');
 jasmine.setInterval = jasmine.bindOriginal_(window, 'setInterval');
 jasmine.clearInterval = jasmine.bindOriginal_(window, 'clearInterval');
 
-jasmine.MessageResult = function(text) {
+jasmine.MessageResult = function(values) {
   this.type = 'MessageResult';
-  this.text = text;
+  this.values = values;
   this.trace = new Error(); // todo: test better
 };
 
 jasmine.MessageResult.prototype.toString = function() {
-  return this.text;
+  var text = "";
+  for(var i = 0; i < this.values.length; i++) {
+    if (i > 0) text += " ";
+    if (jasmine.isString_(this.values[i])) {
+      text += this.values[i];
+    } else {
+      text += jasmine.pp(this.values[i]);
+    }
+  }
+  return text;
 };
 
 jasmine.ExpectationResult = function(params) {
@@ -395,8 +404,9 @@ jasmine.createSpyObj = function(baseName, methodNames) {
   return obj;
 };
 
-jasmine.log = function(message) {
-  jasmine.getEnv().currentSpec.log(message);
+jasmine.log = function() {
+  var spec = jasmine.getEnv().currentSpec;
+  spec.log.apply(spec, arguments);
 };
 
 /**