also tried MW2 yesterday. All settings max + enabled ambient occlusion on CP played through the 1st level the vmem usage was around 900mb+. never thought MW2 would take that much vram. MW2 and GTA IV is on par when it comes to vmem usage? now this is weird.
see my post on GTA IV vmem usage.
http://forums.techpowerup.com/showthread.php?p=1643888