Here's a card that could give you twice the performance but it is quite a bit more.
http://www.newegg.com/app/ViewProduc...102-281&depa=1 $165 Free shipping.
5 Stars after 146 votes.
I have a 9800 pro in the mail, hopefully it will get here soon, ordered it from ATI directly as an employee so it's taking quite a long time.