I could get up to 400 witout the heatsinks. $08 was doable, but with artifacts.
I have actually been clocking it down a bit, and have sttled on 413. THough it is hard to tell b/c I am playing Deus Ex which sucks for d3d anyway. Artifact and clipping whise.
I know they are Infineon chips on the memory. But id didnt check the speed before I put the heatsinks on them.
Ja,
Inosuke