Your card is fine. I would wait a while and enjoy as is. I have perfect frame rates at 70+ and 100+ all the time at all altitudes. But the image quality is still under par.
So I would not upgrade if I was you for maybe 2 more months at least and a couple of patches. Remember they are building new graphics engine for game.
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Win7, 64bit Ultra
Asus P8P67Pro MB
Intel i7-2600K
Coursair 16GB (4x 4GB), DDR3-1600MHz
Gainward Nvidia 580GTX 3GB DDR5
850-Watt Modular Power Supply
WIN7 and COD on Gskill SSD 240GB
40" Panasonic LCD
TrackIR5 +
Thrustmaster Warthog stick, throttle & pedals
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