I have an HP Pavilion p6510f Desktop PC and I have not done anything to it. http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02153181&cc=us&dlc=en&lc=en#N107 ...... Here are the specs I was wondering if there is anthing I can do to upgrade this PC to something much better that I can run DayZ and Battlefield on. It has to be under $500 and I dont want to go buy a whole new PC when I can just upgrade the one I have... Is this possible?