I'm runing Crimsion Skies fine on my Computer. It was slow in the menus but not in the game untill recently. The only change that I made was to install a ISA CH Gamecard GC3 for my joystick but that shouldn't have cut the menu load times as much as it did.
AMD Duron OCed to 1Gig w/ Alpha PAL6035 HSF
128mg Rv2 Muskin CAS2 PC133 RAM
IBM Deskstar 20gig
SoundBlaster Live! Platnum
ATi Radeon 64mg Retail VIVO
ISA CH Gamecard GC3
Thats all the really revent Info but I'm useing the latest Special Purpose Drivers from ATi.