Well if you don't wanna get a cheaper/weaker card why not just save up more money and buy what card you like OP,right?well if you can't wait try HD 7750,ok for med settings in games,depends on the resolution of course but if I were you I would just save money and get a gpu that you will be satisfied,I just bought this hd 7730 gddr5 which I really regret,now I'm saving money for a new psu+a 7770 or a gtx 750.So lesson learned.
Well I can play games @ tweaked medium or tweaked high in 1440x900 resolution.unless its a gta iv,la noir or any cpu hungry games,got a e7600 core2duo 3.06ghz and only 2gb ram.