For the usage you have, I'd say get a 4670, mine's served me very very well, it runs MW2 at 1920x1200 with no trouble at all really.
Very good card for the price tag, which I think is about £60 now. I'd either go for that, or stretch to a 5770.
Very good card for the price tag, which I think is about £60 now. I'd either go for that, or stretch to a 5770.