hey guys, im in the market for a new gpu seeing as how my integrated graphics are not meeting my standards. my current psu is only 300w and i dont want to limit myself. i dont know all that much about computers and i was wondering if someone could recommend a psu and maybe a gpu for my computer. im using a hp pavilion 500 097. mobo specs are as follows. http://h10025.www1.hp.com/ewfrf/wc/document?docname=c03757575&tmp_task=prodinfoCategory&cc=us&dlc=en&lc=en&product=5387278. thanks so much!