Firefox, with the newest revision of 2.0.0.6 is by far the overall cybergeek fav, with more features, options, addons, and support over any other browser in the world. Capable of displaying all forms of W3 standards to the optimal visual and speed based quality, its my #1 choice of any browser available.
Other viable options include:
Opera 9
Avant Browser 11.5 (most dont know of it, but its a damn fine browser)
Safari 3 Windows Public Beta (Yes, its actually really good on windows considering its only Beta)
...and last, but not least, Internet Explorer 7 (NOT 6!!) is actually quite comparable, considering ALL of its features have been used by Firefox, Opera, etc.... for several years now including tabbed browsing and RSS feeds.
As a graphic/web designer I have to consistantly test all the work I do in multiple browsers (unfortunately IE is still 80% of the world market share) and the best recommendation in my opinion is Firefox. It never hurts to download and use the others I mentioned, and of course several others still available. Hope this was a bit more in depth as in answering your question
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