Oh, I see that you have tried your utmost to crash Windows. Nevermind... ;0P Since XP Pro is mainly a dressed up 2K Pro, they have similar capabilities. If I could get XP Pro to install successfully on my good system (2.53 P4, 266MHz bus - on which it wouldn't after many attempts), I'd love to. OTOH, I'd also like a dual Xeon or Athlon system for C4D's sake, anyway. No can do at this juncture. You know as well as I that within the next couple of years the standard amount of memory will be 2 to 4GB DDR or RamBus (or whatever evil "standard" is adopted next). This will likely push the need for higher VM settings just by virtue of larger apps with larger data pools to accomodate whatever new features are introduced by then. The new P4 Hyperthreading, which is another excellent reason to migrate to XP Pro, is already changing the market.