浏览器速度最新比较
http://www.computerworld.com/s/article/9213980/Hands_on_Chrome_10_pushes_the_browser_speed_barrier

Chrome 10 and Opera 11.01 are in a virtual dead heat in the author's SunSpider JavaScript benchmark tests. IE8 brings up the rear, but the IE9 RC leads the pack. (Smaller numbers are better.)
