Vue has always been faster on AMD than on Intel. It uses raw floating-point calculations that are more efficiently handled by the Athlon XP architecture. With Vue 4 Pro, hyperthreading helps, but still the P4 is not terribly impressive.<< True, but so far this applies only to Vue. Everything else I've tested smokes my Athlon system, as I expected it to. As I said elsewhere, I wouldn't be surprised if an XP 3200 with a 400 FSB eats my P4 Vue times. The bottom line is that if Vue is you primary modeler, then stay FAR away from Pentiums.