Originally Posted by Dj-ElectriC
Intel's IVB CPU's heat isnt all about the IHS, they are naturally a bit hotter per area
That is true, but IMO that doesn't contribute that much (look at the mobile CPU's). Seeing all those threads about de-lidding and ~10C drops seems to indicate that it really is the TIM that they used.
Will be interesting to see how IVB-E will turn out and if they will use solder this time.