http://www.newegg.com/Product/Product.aspx?Item=N82E16817151094
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139028

Then Get a 6770 or 7750 (up to you).

(yes 7750 needs some PSU upgrade :), it's just 250W)

http://www.newegg.com/Product/Product.aspx?Item=N82E16814102940
http://www.newegg.com/Product/Product.aspx?Item=N82E16814161403

Or even new 7770 or 6850

http://www.newegg.com/Product/Product.aspx?Item=N82E16814102908
http://www.newegg.com/Product/Product.aspx?Item=N82E16814102967

:D, Good Luck my friend, just go on what is the best price for you.