To go farther on this I think I'll have to dig into CPU architectural differences between the Athlon, Athlon XP, and new Athlon 64 cores versus the Pentium 4. Because of the architecture of the Pentium 4 vs the Athlon, the Pentium 4 spends a lot more time waiting for data to be read from and written to main memory than the Athlon. This makes it more dependant on the FSB. I know you guys would probably never forgive me if I left it at that, so I think I'll probably just start a new thread and repost what I've got here and expand on it. I think if I keep going here I'll REALLY be hijacking this thread.