Get something else.
Even if you got a 2nd 8800GTX, you miss out in newer OpenGL version, CUDA and Physx also. If you stick to Nvidia cards that is.
Ok, but it certainly seems that I can't both give it up and get a performance increase within my idea of what I can afford to pay.
And why would I replace it if I'm not getting a performance increase?
* Updated game trainers and cheats daily
* Get notified when new cheats are added
* Request which games get new trainers
* Priority support with any problem