good GPU for amd a-8 5600k?
660ti?
more like price range of 100-200 dollars
If you can spare $50 more, get this: http://www.newegg.com/Product/Product.aspx?Item=N82E16814125418
Otherwise, get this: http://www.newegg.com/Product/Product.aspx?Item=N82E16814161406