so right now i have this system. http://support.hp.com/us-en/document/c04293928 and about a month ago i bought a 250x graphics card because i had a pretty shitty power supply it is an insignia 520w http://www.bestbuy.com/site/insignia-520w-atx-power-supply-silver/5610116.p?id=1219144863171&skuId=5610116. anyways i have more money now about 250-300$ and im looking to get a new case/power supply/graphics card, i know its not much but i would appreciate any help ^_^