Core 2 always runs hotter by 2-6 degrees than Core 3 which tends to run the coolest compared to all the rest. Is this temperature range/difference normal or do I need to reseat the heat-sink with new thermal grease? Thought?
They all look fine to me really. I'm no expect on how hot the i7's run but I wouldn't be worried at all with those temps. Are you using an aftermarket cooler? It may just help drop the temps a little more.
I'm using a Corsair H50 as the cooler. It had lots of good reviews and takes up much less space than the huge air coolers.
Precisely why I got mine. I can't fit any big tower coolers in my case, else I would have gotten a Tuniq Tower 120 Extreme (damn that thing's pretty!). It also lowered temps by 10C load from the Core Contact Freezer I had before it, and I even clocked it 200MHz higher.