I purchased an ATI X1600pro 512 yesterday and it's turning out to be a fun little gadjet. Out of the box it's clocked at 500mz for the GPU and @400mz for the ram clock. I put an Arctic Cooling rev1 fan and some heat sinks on the RAM. I was able to get the RAMclock to 450mz pretty good considering the rather weak 128bit bus. This is the cool part: I was able to OC the GPU to @590mz with total stability! This kind of makes up for the 128bit bus. also the drivers need refining. HL2 has some definite issues as well as FarCry. Doom3 on the other hand ran pretty darn good on Ultra level.