(adsbygoogle = window.adsbygoogle || []).push({}); hi guys

i was just wondering, what would a good gfx card that can run BF3?
i am planning on buying the ATi 5870, but im kinda on the fence on whether i should buy it or not

my current specs are

AMD Athlon II Quad core 3.1 Ghz (havent o'ced it)
4gb dual channel ram (2 slots left)
320+260Gb sata hdd

thanks