What Graphics card should i buy

[Godzilla3134]

Im looking to buy a new graphics card thats compatible for my pc
SPECS:

http://www.newegg.com/Product/Product.aspx?Item=N82E16883229362&Tpk=cyberpower%202140&IsVirtualParent=1

My budget is about 100%

 

[Lord Tumnas]

what do you mean by a 100% budget? assuming you mean 100% the price of the rig, then a 7970GHZ would be the most powerful you could afford, however your powersupply is probably only enough for a HD7870 or GTX660