You'd be looking for a Geforce 2 GTS minimum, I think you can get them for under a $100 in the US. Or you could try finding a second hand Geforce 256, which is still a neat bottom end card. I was using a 256 right up until a few months back.
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Lady Astor: "Winston, if I were your wife I'd put poison in your coffee."
Winston Churchill: "Nancy, if I were your husband I'd drink it."