I also lapped my Q6600 B3, it was really succeful job
Temps dropped from 72-82C to 56-69C on 100% load with QMC. Not bad.
Few fotros here(I forgot my camera to 640x480 resolution, damn):
http://kotisivu.dnainternet.net/bull..._SL9UM/hionta/
Ano no that liquid in jar is not water, it is industrial grade ethanol.