Test on Powerbook G4 400 MHz, 256 MB
I just do some basic tests on a Powerbook G4 400 MHz with 256 MB (clean install). I don't run too many things in parallel (at the moment DVD player, Mail, Safari, Dashboard with 10 widgets and Activity monitor) and everything is fine.
The only "problem" application so far was Qicktime, which hijacked the CPU...