There will be two RADEON 9900 branded graphics cards available later this year. Obviously, the parts will be called as the RADEON 9900 and the RADEON 9900 PRO. Both products should be based on the famous R300 architecture with certain changes in the hardware of chips. Moreover, a source indicated that there may be two different chips for the RADEON 9900 family. Read More Here @ XbitLabs