BKAY

Hi im brand new to pc gaming and i was just wondering what graphics card would you recommend for my pc (Compaq presario CQ5320Y). SPECS can be found on this link: http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01949111&lc=en&dlc=en&cc=us&lang=en&product=4107711#N316 I am looking for a graphics card that is not expensive. some games i would like to play are usually on steam like global agenda. I would appreciate your help.