Overclockers Online has posted a review of the ATI Radeon 9000 PRO
As I mentioned in the specifications, the ATI Radeon 9000 PRO is clocked at a 275MHz core speed and a 275MHz DDR memory speed(550MHz). After some tweaking and testing, I was able to overclock my card to 300MHz core speed and 310MHz memory speed, which results in 620MHz memory speed thanks to the DDR memory.Read more