From reading the replies and looking at the votes. it seems the new Santa Rosa chip runs like when the Core Duo first came out.
the heat issue was pretty much gone with the release of the core 2 duo merom chip that came out in late october 2006 of which I purchased a 17" macbook pro 2.33ghz. And it hardly ran hot only doing major processing like encoding a 2 hour long video..but thats about it or running parralells with vista and fusion with xp at teh same time...
The highest I would see it go to would be 57 c and it would idle at 30c
I hope the next Santa Rosa update will be more efficient...
I sold my macbook pro I got last november 2006 and waiting for the led 17" which I hope will be this year. lol