if you’re running on pre-G5 hardware, check this out

Optimized Firefox builds:

Firefox [Trunk/OS X] optimized for PowerPC 7450 (newer G4):

These have gotten speedier in the past couple of days . . . and some other bugs seem to have gone away (form entry was problematic at times, for example).

Still no Cocoa support, though. *&*&*&$@@#