I would go with BFG Tech, eVGA, or XFX personally. Although, ASUS, MSI, Biostar, and Gigabyte also produce good products. I personally love the XFX having a metal "bar" that goes along the top of the card for more stability. The BFG cards are very solid cards as well, and eVGA has its step up program which is always nice if you wanted to jump to a G80 within 90 days. As long as its name brand, it should do you fine. Just make sure its got a lifetime warranty.