I've just tried a windows game for the first time today (in Boot Camp) - Call of Duty 4 (demo). And - it doesn't run too well. I currently have a MBP 2.2 (Merom), 4GB RAM, 128mb VRAM, 7200rpm - and I have to set it at one of the lowest resolutions (640* or 800*) for it to be even playable - and even then, it's not exactly the smoothest thing in the world. I'd love to be able to play at 1600*, or even 1200 would be a good compromise! I hate to see what something like Crysis runs like. Anyway, the question is - I have a 2.5 Penryn MBP arriving next week - with the same 4GB RAM, and 7200rpm - BUT, it of course has 512mb VRAM. Will I notice a good difference in gaming with this machine?