i need help building a pc for under $900. all I Know i want for sure is the gtx 480
Make sure you have plenty of juice as in a nice hefty psu for that old out dated heat producing power hog of a card. Min. of 600w.
http://www.newegg.com/Product/Product.aspx?Item=N82E168... <---- If your shopping newegg then you shouldn't have too much trouble choosing which 480 to put in your build seeing how Newegg only carries one of those cards now. That card has been discontinued and what you see on the shelves is what there is and all there will be.