[Akuma]

You should be able to play is with everything high except dynamic shadows and light - on medium. Also textures have to be set to medium unless you have over 1GB of RAM. High textures at a high resolution can use almost 1.5gb of RAM.

Turn off AA and AF in game, but enable them in the drivers. Some games get confused when you have both set and you'll get a massive performance hit. Drivers will always over rule in game settings anyway.

BF2 is a horribly coded game, so you shouldn't expect max settings unless you have a 7800GTX.