Originally Posted by Codex
I was merely pointing out that changing Operating systems isn't going to buy you much in the way of performance. I've used both 32 and 64 bit Vista on the same hardware, and in my experience they perform equally. The (minor in this case)
expense and *great* hassle reformatting, getting everything running again, and reinstalling all of your software which you have to do when changing operating systems isn't worth the effort when it buys you little or nothing. Whereas upgrading your GPU will solve the performance issue you are having. Sincere apologies for not imparting that in a more straightforward manner...
Also, a 512 MB 8800GT runs about from $270 to $320 at newegg and, depending on the benchmark, is 98% of a stock GTX. Something to think about going forward, anyhow.