diff --git a/ext/jasmine-webkit-specrunner/Runner.cpp b/ext/jasmine-webkit-specrunner/Runner.cpp
index 6eab319..39941d8 100644
--- a/ext/jasmine-webkit-specrunner/Runner.cpp
+++ b/ext/jasmine-webkit-specrunner/Runner.cpp
@@ -18,6 +18,7 @@ Runner::Runner() : QObject()
   , usedConsole(false)
   , isFinished(false)
   , useColors(false)
+  , quiet(false)
   {
   page.settings()->enablePersistentStorage();
   ticker.setInterval(TIMER_TICK);
@@ -122,10 +123,18 @@ void Runner::setSeed(QString s) {
   seed = s;
 }
 
+void Runner::setQuiet(bool q) {
+  quiet = q;
+}
+
 QString Runner::getSeed() {
   return seed;
 }
 
+bool Runner::isQuiet() {
+  return quiet;
+}
+
 void Runner::print(const QString &fh, const QString &content) {
   if (fh == "stdout") {
     std::cout << qPrintable(content);
diff --git a/ext/jasmine-webkit-specrunner/Runner.h b/ext/jasmine-webkit-specrunner/Runner.h
index 8b65a46..8d7269e 100644
--- a/ext/jasmine-webkit-specrunner/Runner.h
+++ b/ext/jasmine-webkit-specrunner/Runner.h
@@ -22,6 +22,7 @@ class Runner: public QObject {
     void setColors(bool colors);
     void setReportFiles(QStack<QString> &files);
     void setSeed(QString s);
+    void setQuiet(bool q);
 
     void addFile(const QString &spec);
     void go();
@@ -33,6 +34,7 @@ class Runner: public QObject {
     void hasError();
     void hasSpecFailure();
 
+    bool isQuiet();
     QString getSeed();
 
     void print(const QString &fh, const QString &content);
@@ -54,6 +56,7 @@ class Runner: public QObject {
     bool usedConsole;
     bool isFinished;
     bool useColors;
+    bool quiet;
 
     QString seed;
 
diff --git a/ext/jasmine-webkit-specrunner/specrunner.cpp b/ext/jasmine-webkit-specrunner/specrunner.cpp
index 22d94ac..9f961d7 100644
--- a/ext/jasmine-webkit-specrunner/specrunner.cpp
+++ b/ext/jasmine-webkit-specrunner/specrunner.cpp
@@ -30,17 +30,20 @@
 int main(int argc, char** argv)
 {
   bool showColors = false;
+  bool isQuiet = false;
   QString seed;
-
   QStack<QString> reporterFiles;
 
   int c, index;
 
-  while ((c = getopt(argc, argv, "cr:s:")) != -1) {
+  while ((c = getopt(argc, argv, "cr:s:q")) != -1) {
     switch(c) {
       case 'c':
         showColors = true;
         break;
+      case 'q':
+        isQuiet = true;
+        break;
       case 'r':
         reporterFiles.push(QString(optarg));
         break;
@@ -61,6 +64,7 @@ int main(int argc, char** argv)
   Runner runner;
 
   runner.setColors(showColors);
+  runner.setQuiet(isQuiet);
   runner.setReportFiles(reporterFiles);
   runner.setSeed(seed);
 
diff --git a/features/bin/quiet_messages.feature b/features/bin/quiet_messages.feature
new file mode 100644
index 0000000..36be433
--- /dev/null
+++ b/features/bin/quiet_messages.feature
@@ -0,0 +1,8 @@
+Feature: Bin - Quiet Messages
+  Scenario: Run a test that would cause a lot of messages to be displayed and silence them all
+    Given I have a test suite
+    When I run `bin/jasmine-headless-webkit -q -j spec/jasmine/noisy/noisy.yml`
+    Then the exit status should be 0
+      And the output should not include "[Skipping File]"
+      And the output should not include "You should mock"
+
diff --git a/features/steps/then/bin/output_should_not_include.rb b/features/steps/then/bin/output_should_not_include.rb
new file mode 100644
index 0000000..e4a1716
--- /dev/null
+++ b/features/steps/then/bin/output_should_not_include.rb
@@ -0,0 +1,4 @@
+Then /^the output should not include "([^"]*)"$/ do |string|
+  @output.should_not include(string)
+end
+
diff --git a/lib/jasmine/headless.rb b/lib/jasmine/headless.rb
index a1dae0b..0a60efa 100644
--- a/lib/jasmine/headless.rb
+++ b/lib/jasmine/headless.rb
@@ -35,6 +35,24 @@ module Jasmine
       def root
         @root ||= Pathname(File.expand_path('../../..', __FILE__))
       end
+
+      def warn(message)
+        output.puts message if show_warnings?
+      end
+
+      def show_warnings=(show)
+        @show_warnings = show
+      end
+
+      def show_warnings?
+        @show_warnings = true if @show_warnings.nil?
+
+        @show_warnings
+      end
+
+      def output
+        $stdout
+      end
     end
   end
 end
diff --git a/lib/jasmine/headless/file_checker.rb b/lib/jasmine/headless/file_checker.rb
index fd7a3a7..6795a5b 100644
--- a/lib/jasmine/headless/file_checker.rb
+++ b/lib/jasmine/headless/file_checker.rb
@@ -1,14 +1,18 @@
 module Jasmine::Headless::FileChecker
+  def excluded_formats
+    ::Jasmine::Headless::EXCLUDED_FORMATS
+  end
+
   def bad_format?(file)
     return if file.nil?
 
-    ::Jasmine::Headless::EXCLUDED_FORMATS.any? do |format|
+    excluded_formats.any? do |format|
       file[%r{\.#{format}(\.|$)}]
     end
   end
-  
+
   def alert_bad_format(file)
-    puts "[%s] %s: %s" % [ 'Skipping File'.color(:red), file.color(:yellow), "unsupported format".color(:white) ]
+    Jasmine::Headless.warn("[%s] %s: %s" % [ 'Skipping File'.color(:red), file.color(:yellow), "unsupported format".color(:white) ])
   end
 
   def alert_if_bad_format?(file)
diff --git a/lib/jasmine/headless/options.rb b/lib/jasmine/headless/options.rb
index 8a51cf8..49e8202 100644
--- a/lib/jasmine/headless/options.rb
+++ b/lib/jasmine/headless/options.rb
@@ -17,9 +17,8 @@ module Jasmine
         :full_run => true,
         :enable_cache => true,
         :files => [],
-        :reporters => [
-          [ 'Console' ]
-        ]
+        :reporters => [ [ 'Console' ] ],
+        :quiet => false
       }
 
       DEFAULTS_FILE = File.join(Dir.pwd, '.jasmine-headless-webkit')
@@ -39,6 +38,7 @@ module Jasmine
         srand
         @options[:seed] = rand(10000)
         read_defaults_files
+
         opts.each { |k, v| @options[k] = v if v }
       end
 
@@ -69,6 +69,8 @@ module Jasmine
           @options[:full_run] = false
         when '--list', '-l'
           @options[:do_list] = true
+        when '--quiet', '-q'
+          @options[:quiet] = true
         when '--seed'
           @options[:seed] = arg.to_i
         when '--format', '-f'
@@ -105,7 +107,8 @@ module Jasmine
           [ '--seed', GetoptLong::REQUIRED_ARGUMENT ],
           [ '--format', '-f', GetoptLong::REQUIRED_ARGUMENT ],
           [ '--out', GetoptLong::REQUIRED_ARGUMENT ],
-          [ '-h', '--help', GetoptLong::NO_ARGUMENT ]
+          [ '-h', '--help', GetoptLong::NO_ARGUMENT ],
+          [ '-q', '--quiet', GetoptLong::NO_ARGUMENT ]
         )
 
         command_line_args.each { |*args| process_option(*args) }
@@ -166,6 +169,7 @@ module Jasmine
           [ '--seed', 'Random order seed for spec file ordering' ],
           [ '-f, --format <reporter<:filename>>', 'Specify an output reporter and possibly output filename' ],
           [ '--out <filename>', 'Specify output filename for last defined reporter' ],
+          [ '-q, --quiet', "Silence most non-test related warnings" ],
           [ '-h, --help', "You're looking at it" ]
         ]
 
@@ -179,6 +183,7 @@ Options:
 
 Available reporters:
   Console  Write out spec results to the console in a progress format (default)
+  Verbose  Write out spec results to the console in a verbose format
   File     Write spec results in jasmine-headless-webkit ReportFile format
   Tap      Write spec results in TAP format
 
diff --git a/lib/jasmine/headless/runner.rb b/lib/jasmine/headless/runner.rb
index 110cf6e..fdb4b5f 100644
--- a/lib/jasmine/headless/runner.rb
+++ b/lib/jasmine/headless/runner.rb
@@ -57,6 +57,7 @@ module Jasmine
 
         command << "-s #{options[:seed]}"
         command << '-c' if options[:colors]
+        command << '-q' if options[:quiet]
 
         options.file_reporters.each do |reporter, identifier, file|
           command << "-r #{file}"
@@ -69,6 +70,7 @@ module Jasmine
 
       def run
         Jasmine::Headless::CacheableAction.enabled = @options[:enable_cache]
+        Jasmine::Headless.show_warnings = !@options[:quiet]
         FilesList.reset!
 
         @_targets = template_writer.write
diff --git a/spec/jasmine/noisy/file.js.erb b/spec/jasmine/noisy/file.js.erb
new file mode 100644
index 0000000..e69de29
diff --git a/spec/jasmine/noisy/noisy.yml b/spec/jasmine/noisy/noisy.yml
new file mode 100644
index 0000000..c001d27
--- /dev/null
+++ b/spec/jasmine/noisy/noisy.yml
@@ -0,0 +1,8 @@
+src_dir: spec/jasmine/noisy
+src_files:
+- '**/*'
+
+spec_dir: spec/jasmine/noisy
+spec_files:
+- '**/*'
+
diff --git a/spec/jasmine/noisy/other_file.js b/spec/jasmine/noisy/other_file.js
new file mode 100644
index 0000000..213323b
--- /dev/null
+++ b/spec/jasmine/noisy/other_file.js
@@ -0,0 +1,2 @@
+window.prompt("hello");
+
diff --git a/spec/lib/jasmine/headless/file_checker_spec.rb b/spec/lib/jasmine/headless/file_checker_spec.rb
index 0e14a11..d105222 100644
--- a/spec/lib/jasmine/headless/file_checker_spec.rb
+++ b/spec/lib/jasmine/headless/file_checker_spec.rb
@@ -1,25 +1,41 @@
 require 'spec_helper'
 
 describe Jasmine::Headless::FileChecker do
-  include FakeFS::SpecHelpers
-
   let(:test_class) do
     object = Object.new
     object.class.send(:include, Jasmine::Headless::FileChecker)
     object
   end
 
-  context "bad_format?" do
-    it "should return false wth correct format" do
-      test_class.bad_format?('foobar.js').should be_false
+  describe "#bad_format?" do
+    subject { test_class.bad_format?(file) }
+
+    before do
+      test_class.stubs(:excluded_formats).returns(%w{erb string})
     end
 
-    it "should return false wth wrong format" do
-      test_class.bad_format?('foobar.js.erb').should be_true
+    context 'nil' do
+      let(:file) { nil }
+
+      it { should be_nil }
     end
 
-    it "should check for the whole extension" do
-      test_class.bad_format?('foobar.string.js').should be_false
+    context 'allowed format' do
+      let(:file) { 'foobar.js' }
+
+      it { should be_false }
+    end
+
+    context 'unallowed format' do
+      let(:file) { 'foobar.erb' }
+
+      it { should be_true }
+    end
+
+    context 'check whole extension' do
+      let(:file) { 'foobar.string.js' }
+
+      it { should be_true }
     end
   end
 end
diff --git a/spec/lib/jasmine/headless/runner_spec.rb b/spec/lib/jasmine/headless/runner_spec.rb
index 3b86c22..dcd4650 100644
--- a/spec/lib/jasmine/headless/runner_spec.rb
+++ b/spec/lib/jasmine/headless/runner_spec.rb
@@ -91,6 +91,15 @@ describe Jasmine::Headless::Runner do
       it_should_have_basics
       it { should include("-r #{file}") }
     end
+
+    context 'quiet' do
+      before do
+        options[:quiet] = true
+      end
+
+      it_should_have_basics
+      it { should include("-q") }
+    end
   end
 
   describe '#runner_filename' do
diff --git a/spec/lib/jasmine/headless_spec.rb b/spec/lib/jasmine/headless_spec.rb
index 51f5efc..ca15d2f 100644
--- a/spec/lib/jasmine/headless_spec.rb
+++ b/spec/lib/jasmine/headless_spec.rb
@@ -1,2 +1,38 @@
 require 'spec_helper'
 
+describe Jasmine::Headless do
+  describe '.warn' do
+    let(:output) { StringIO.new }
+
+    before do
+      described_class.stubs(:output).returns(output)
+    end
+
+    context 'warnings enabled' do
+      before do
+        described_class.stubs(:show_warnings?).returns(true)
+      end
+
+      it 'should work' do
+        described_class.warn("warning")
+
+        output.rewind
+        output.read.should == "warning\n"
+      end
+    end
+
+    context 'warnings disabled' do
+      before do
+        described_class.stubs(:show_warnings?).returns(false)
+      end
+
+      it 'should work' do
+        described_class.warn("warning")
+
+        output.rewind
+        output.read.should == ""
+      end
+    end
+  end
+end
+
diff --git a/vendor/assets/coffeescripts/prolog.coffee b/vendor/assets/coffeescripts/prolog.coffee
index 3ca660e..d999175 100644
--- a/vendor/assets/coffeescripts/prolog.coffee
+++ b/vendor/assets/coffeescripts/prolog.coffee
@@ -29,12 +29,15 @@ if window.JHW
   puts = (message) ->
     JHW.print('stdout', message + "\n")
 
+  warn = (message) ->
+    puts(message) if !JHW.isQuiet()
+
   # handle unloading
   window.onbeforeunload = (e) ->
     e = e || window.event
 
     JHW.hasError()
-    puts "The code tried to leave the test page. Check for unhandled form submits and link clicks."
+    warn "The code tried to leave the test page. Check for unhandled form submits and link clicks."
 
     e.returnValue = 'string' if e
 
@@ -49,17 +52,17 @@ if window.JHW
 
   # dialogs
   window.confirm = ->
-    puts "#{"[confirm]".foreground('red')} You should mock window.confirm. Returning true."
+    warn "#{"[confirm]".foreground('red')} You should mock window.confirm. Returning true."
 
     true
 
   window.prompt =  ->
-    puts "#{"[prompt]".foreground('red')} You should mock window.prompt. Returning true."
+    warn "#{"[prompt]".foreground('red')} You should mock window.prompt. Returning true."
 
     true
 
   window.alert = (message) ->
-    puts "[alert] ".foreground('red') + message
+    warn "[alert] ".foreground('red') + message
 
   # color support
   JHW._setColors = (useColors) -> Intense.useColors = useColors
diff --git a/vendor/assets/javascripts/prolog.js b/vendor/assets/javascripts/prolog.js
index 72a490f..6ccdbc5 100644
--- a/vendor/assets/javascripts/prolog.js
+++ b/vendor/assets/javascripts/prolog.js
@@ -1,5 +1,6 @@
 (function() {
-  var puts;
+  var puts, warn;
+
   if (window.JHW) {
     window.console = {
       log: function(data) {
@@ -39,13 +40,14 @@
     puts = function(message) {
       return JHW.print('stdout', message + "\n");
     };
+    warn = function(message) {
+      if (!JHW.isQuiet()) return puts(message);
+    };
     window.onbeforeunload = function(e) {
       e = e || window.event;
       JHW.hasError();
-      puts("The code tried to leave the test page. Check for unhandled form submits and link clicks.");
-      if (e) {
-        e.returnValue = 'string';
-      }
+      warn("The code tried to leave the test page. Check for unhandled form submits and link clicks.");
+      if (e) e.returnValue = 'string';
       return 'string';
     };
     JHW._hasErrors = false;
@@ -55,15 +57,15 @@
       return false;
     };
     window.confirm = function() {
-      puts("" + ("[confirm]".foreground('red')) + " You should mock window.confirm. Returning true.");
+      warn("" + ("[confirm]".foreground('red')) + " You should mock window.confirm. Returning true.");
       return true;
     };
     window.prompt = function() {
-      puts("" + ("[prompt]".foreground('red')) + " You should mock window.prompt. Returning true.");
+      warn("" + ("[prompt]".foreground('red')) + " You should mock window.prompt. Returning true.");
       return true;
     };
     window.alert = function(message) {
-      return puts("[alert] ".foreground('red') + message);
+      return warn("[alert] ".foreground('red') + message);
     };
     JHW._setColors = function(useColors) {
       return Intense.useColors = useColors;
@@ -75,14 +77,15 @@
       _ref = jasmine.getEnv().reporter.subReporters_;
       for (_i = 0, _len = _ref.length; _i < _len; _i++) {
         reporter = _ref[_i];
-        if (reporter.consoleLogUsed != null) {
-          reporter.consoleLogUsed(msg);
-        }
+        if (reporter.consoleLogUsed != null) reporter.consoleLogUsed(msg);
       }
       JHW._usedConsole = true;
       return puts(msg);
     };
   }
+
   window.CoffeeScriptToFilename = {};
+
   window.CSTF = window.CoffeeScriptToFilename;
+
 }).call(this);