It's kind of funny that they talk about the power of the G4
processor but the Mac clients are only working on two proteins.
Compare the article at Apple to the current reality for those of us
on the OS X client.
From an earlier post on yahoo groups by Bert who is one of the folks working directly with F@H:
"Yes, the Mac client is slower due to the compiler, lacking MHz
and because Altivec can not be exploited. For F@H... it is very
important that work units are returned quickly. So, we have been
assigned this project where we can do useful work without
adverse effect on other projects."