maxxx whats your vNB?
Its actually 1.33872 as set in the BIOS
i would like to see your NB temps under load at 1.5v vNB. and when using multiple instances of HCI, you might have to go in and set the affinity of two instances to one core and the other two instances to the other core. it doesn't look like that fourth instance is getting any CPU cycles.
Am kind afraid to run it at 1.5v since we're not sure if the sensor is damaged or broken. I guess i'll have to try and see the results...

@cool_case, I see on your sig you had a Maximus Extreme, does it have a temp sensor on the NB?

@Turbodream: I just use the one provided with the DVD. Asus doesn't have much of a download yet for this mobo.