Please remember that any mention of competitors, hinting at competitors or offering to provide details of competitors will result in an account suspension. The full rules can be found under the 'Terms and Rules' link in the bottom right corner of your screen. Just don't mention competitors in any way, shape or form and you'll be OK.
Wrong. Best answer is the one that answers the question.
The closest to "7800gtx similar performance" is the 8800gts 320mb.
The best answer to the op is 8800gts. That's what he asked, that's what i answered. end of story
What cards out there would give me similar performance? I am trying to find a baseline so I don't buy anything that is any worse.