Just found this: corsair 950w PSU and GTX 480 only $539 in combo deal, with $10 mail in rebate. Quite a steal imo.
http://www.newegg.com/Product/ComboDealDetails.aspx?ItemList=Combo.470450
http://www.newegg.com/Product/ComboDealDetails.aspx?ItemList=Combo.470450