My experience is: XP SP3 (super tweaked) ~300 MB+ V1.2 Americas Army, OPERATION 7, Killing floor...
these games did run very well, good FPS, good effects WIN7 (super tweaked) ~660 MB + Alpha 1 Americas Army, Operation 7, Killing Floor... these games did run AWEFUL, under 15 FPS Lowest settings. -- INTEL 9xx SOLDIERS SANS FRONTIERS
