Linkzg said:ok, I looked up an option myself, but I still want to know if it's a good choice. Would the GTX 275 be a good replacement? would I need to change anything about my PC other than just swapping the cards (any higher requirements, etc.)?
GTX275 is a great upgrade. That's what I did myself.
For power, you'd probably want 500W at the very least, as long as it's a decent brand.
The only other restraint is size. It's about 1.5 inches longer than the 8800GT, so make sure you can fit it in your case (one thing to note though is the power cables plug in the top.