Help me Choosing Graphics Card

Actually, you're just fine and the GTX 460 should work flawlessly on your PC. Power supply is OK.

Hi there if u want a not so expensive video card But with great performences i sugest:
http://www.sapphiretech.com/presenta...000101&pid=352
it's a great video card it runs all games maxed out and you have a directX 11....if you are an intens gamer i will recommend to instal a cooler on this video card...cheers

This just came out (Sept. 2010) for quiet pc/non-fan, fans

GIGABYTE Unveils Passive Radeon HD5770 Graphics Card

GV-R577SL-1GD

Has Display Port/DVi/HDMi connectors
also features ATI's latest 2nd Generation TeraScale graphics engine, boasting the power of more than 2 teraFLOPS with 800stream processors respectively. With 1GB GDDR5 memory, the GV-R577SL-1GD provides twice the data per pin of GDDR3 memory at the same clock speeds.
Utilizing ATI Eyefinity Technology, every gamer can run up to 3 displays from a single graphics board and expand the field of view across all displays. Furthermore, benefited from ATI Stream Technology, end-user can easily unleash the parallel processing power of GPU for physics, artificial intelligence, stream computing and ray tracing calculations, and tackle demanding tasks like video transcoding with incredible speed. In addition, the GIGABYTE GV-R577SL-1GD fully supports Microsoft DirectX 11 for 3D gaming effects.

GIGABYTE Unveils Passive Radeon HD5770 Graphics Card

Better info here >
http://www.tweaktown.com/pressreleas...ard/index.html

That reminds me of my 7950 GT that serves as a radiator.

Yes.

I have purchased GTS 250

Thanks for all suggestions.