Must be the drive, as I tested under Windows XP and I still get the error... Also under XP I get 650MBs of RAM free, but I believe under Vista it's the ReadyBoost feature that eats up memory, because I haven't got anything installed (ie. no AntiVirus, no SoundBlaster staff etc.) whereas all of these are running under XP. Also the system boots a bit faster under Vista, than in XP, so I guess the memory usage is normal.
Aa... yes and for the drive: Do you perhaps have any recommendations of a good one? I also see that the prices have fallen drasticly since I bough my NEC (was about 100