[pHaestus]

I favor using 3-4 temperature probes arranged around the intake area of the fan (use the same height above the fan every time and then take an average. Air temperatures SUCK to measure though and every heatsink is somewhat different. It's a lot easier to regulate flow rate in a wb than it is to regulate airflow in a test. The only GOOD way to do it would be to make an evironmental chamber and hold the air temperature (and mobo eh) constant