My computer is alright for gaming but if i had a better graphics card it would be so much better. i dont know how to install one or what I should buy/ or even how to install it. ( shouldn't be too hard to install) but I need help finding out which ones are compatible with my system. I know nothing about building computers or what will work. Here is my system with specs: http://h20000.www2.hp.com/bizsuppor...portFAQ&prodSeriesId=5035352&prodTypeId=12454 What graphics card is compatible with that?