Not into that whole $500 fuse-melting monster graphics card thing? Then good news for you: AMD has finally brought out two more affordable models in its 28nm Radeon HD range. The 7770 is priced at $169 and claims to be the world's first reference GPU that comes factory over-clocked to 1GHz. Meanwhile, the 7750 comes in at $109 and boasts a low enough wattage (75W, versus 100W for the 7770) that it doesn't require its own power connector. Both cards pack 1GB RAM and run on AMD's Cape Verde architecture, which makes them slightly different to the Tahiti-powered 7900 seri
