Google's new Chrome web browser beta is getting a lot of attention for its slick looks, helpful features, and performance, but how does it rank against the early releases of more established browsers? We've previously put the major browser releases to the speed test, but today we're measuring Chrome against the second beta of Internet Explorer 8, as well as the beta of Firefox 3's next iteration, 3.1. We tested tomorrow's browsers on startup and page-loading times, JavaScript and CSS perf