Microsoft

Important versions of Chrome and Firefox were released since our last installment, and though we're ready to leave Windows 7 behind, IE10 brings us back for one more round. Naturally, our exhaustive suite of benchmarks undergoes a massive update as well.

Today we're breaking out the Hackintosh for our first-ever Web Browser Grand Prix on Apple OS X 10.8 (Mountain Lion). How will Chrome 21, Firefox 15, Opera 12.02, and Safari 6 stack up against each other, and to IE9 and the rest of the Windows 7 browsers?