http://download.mozilla.org/?product=firefox-1.5b2&os=win&lang=en-US
Best browser ever. Themes obviously aren't supported, but it's pretty fast - All the common tweaks seem to be applied out of the box...
Still no proxy authentication field, though. D:<
And it'z faster!!!! Now if only it saved all the form info so you didn't have to enter the username and password on some sites.
Yay, the bug that'd open the search field whenever I tried to type an apostrophe is gone. ''''''''''''!