i actually was in this same situation. i ended up getting a 7600gs, just becuase at the time it was like $85. that and i got one with a fanless solution.
the extra 128mb of video ram on a 7600gs over a 7300gt actually mattters in some games now becasue of textures. so i guess its worth it. if you dont care about fan noise a 7600gt or 7900gs would probably be a better choice, though its getitn ga bit more expensive with a 79800gs (something like $180 at that point).
price performanc ea 7600gt is the best right now , at right around $125 after shipping , rebates and tax and such.
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