Yep, Mike has been of a great help to me too. He's one of TA's more informed members on the issue of temperature readings for current CPUs.
By the way, i have a TBird 950Mhz at 1.75V set in bios (1.8V in health sceren) and an FOP38. It runs at 46 degrees full load, readings using MBM 5.0.