So Firefox 3 is now in beta 5, and it is very impressive. The new version of Firefox includes many improvments, and the addition of some new features.
Bookmarks:
Firefox 3 introduces a new, one-click way to bookmark pages and keep trak of your bookmarks. Check out this article on Dria.org:
The AwesomeBar
The new AwesomeBar truly is awesome:
Firefox 3 also has a more Mac-like interface than previous versions of Firefox. I’ve been using the OS X version and I’m very pleased with it.