Here's mine: http://valid.canardpc.com/show_oc.php?id=1081614
34c-40c idle, 55c-60c load. Prime 95 stable for 18 hours (I had to leave for the day so I stopped short of 24 hrs.) Could go to 4.2-4.3 but that would introduce more heat. Using a Prolimatech heatsink.http://www.bit-tech.net/hardware/cpus/2010/03/01/intel-core-i7-930-cpu-review/2
Here is another example of a i7 930 over clock, refer to the chart near the bottom of the page, they reached 4.2 on air.
Mileage may vary depending on hardware, hope this helps. :3