Difference between Tcase and Tj
Click on topic to expandhttp://www.intel.com/support/processors/sb/cs-033342.htm
Discussion on Tj and Tcase at anandtechhttp://forums.anandtech.com/showthread.php?t=2250147&page=2
SB and IB both start to throttle down around 95 C (individual core temps)
Myself I do not like to go above 70C when runing an intense application. Fot Prime95 which will genetally run hotter my max would be 80C. prime85 will often hit close to 80->85 C with the stock (junk) intel HSF.