It's early in the testing, but here's what I've gotten so far with an Abit IP35-e mobo, Buffalo Firestix DDR2-800, xclio goodpower 500, ATI x1950pro and a Zalman cnps 9700.
vcore 1.41 (bios) actual is 1.35v
dimm 2.4v timings 6-6-6-18 (not great, but this ram has never been good above 900)...