the situation has improved in firefox 2.0rc2 like it was in firefox trunk. but it could still be alot better. since the cpu usage is in Xorg not firefox... maybe it's an Xorg issue!
-- [Dapper] Firefox causes massive Xorg CPU usage https://launchpad.net/bugs/38131 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs