Your graphics card won't be too hard to find...
http://www.newegg.com/Product/Product.aspx?Item=N82E16817128003But here are some more:
HIPER HPU-4R58-MS ATX12V v2.2 580W Power Supply 100 - 120V UL, CE, TUV - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E16817128004Some people say that it doesn't deliver all of its power...


RAIDMAX RX-630A ATX12V / EPS12V 630W Power Supply 115/230 V CB, IEC, TUV, UL, CSA - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E16817152026APEVIA ICEBERG ATX-IB680W-BL ATX12V / EPS12V 680W Power Supply With 3-Color LED Lights 115/230 V CB IEC 950, TUV EN 60950, UL 1950, CSA 950 - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E16817148028PowerTek 750W F5-Series ATX12V 750W Power Supply 100 - 240 V - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E16817713002You can also check out:
http://www.newegg.com/Product/Product.aspx?Item=N82E16814143080http://www.newegg.com/Product/Product.aspx?Item=N82E16814133194BFG (like mine


) and PNY sell your card, but if you want GIGABYTE you will have to wait.