Firefox 3 is out now, looking good and doing its thing. You can nab it here, and read about the world record attempt as well. No word on how that goes, by the way.
While you’re waiting for the new version to download, why not check out the history of Firefox 1.0 to 3.0 in screenshots, an article over at Lifehacker. I’ll link their power user guide as well, although it really isn’t full of news…