Some P4T-E's ship with older Clock Generators that can;'t hit 133fsb for nothing, so I'd go with TH7II any day. They're both same stability, and even with the newer clock generators, the Th7II is a tad better ocer than P4T-E. Good choice by going RDRAM! Just a tip, go Samsung/Corsiar RDRAM. They almost allways can hit 533fsb (PC1066) speeds.