What is the best video card for these games?

I want to be able to play Crysis, COD 4, COD 5, COD 6, Battlefield Bad company 2 completely maxed out. im talking resolution and all the affects. i want the best card that can handle all of those no problem at all completely maxed out.|||If you want them COMPLETELY maxed out, I recommend a 9800 GX2, definitely. But it's a little pricey. But if you want definitely good, but not totally maxed out, and a lot less cheaper, a 9800 GTX works really nice.