Every open-source browser completely obliterated the proprietary browsers in terms of performance, and by a huge margin.
The test compared Microsoft's Internet Explorer 8 Release Candidate 1, Opera 10.00 Alpha, Firefox 3.1b1, Chrome 18.104.22.168, and the WebKit r40220 developer project included in Chrome and Apple's Safari.
Google Chrome and Mozilla Firefox (along with WebKit) left the proprietary competition in the dust:
Maybe there's something in the open-source water, after all, that makes those open-source browsers grow up big and strong. IE 8? Well, let's just say that it has a lot of work to do to catch up.
Follow me on Twitter at mjasay.