Since IE9 final version is being released today (http://www.beautyoftheweb.com), here are some HTML5 showcases from different browser makers to test it out against: Microsoft: http://ie.microsoft.com/testdrive Mozilla: https://demos.mozilla.org/en-US Google: http://www.html5rocks.com / http://studio.html5rocks.com Apple: http://www.apple.com/html5 ...