http://www.rojakpot.com/(0pb15fb3y0qwnh55a...&var1=92&var2=0
From what i read this is not a hack, basiclly the cards are the same but the pro is limited by the bios.
Basicly you flash the card with 9800XT bios and you got a 9800XT.
But if the Pro has some cheap stock cooling you may have to replace it with somthing better.