If you use Firefox, check out this page:

http://www.beatnikpad.com/archives/2007/03/29/firefox-2002

This gentleman takes the Firefox source code and compiles it with optimizations for specific processors. This should mean that the Intel-specific version he supplies will run faster on the Intel-based Macs than the generic Firefox release. Ditto for the G5 and G4-specific versions.

Give it a whirl, but don’t trash your copy of Firefox until you’re sure this does all you want and doesn’t break anything.

[Written by Kem Tekinay]