Good news for those of us who ordered one of these, have a look:
http://www.engadget.com/2008/02/28/apple-macbook-pro-penryn-tests-a-little-more-speed-a-lot-less/
The meat of it:
http://www.engadget.com/2008/02/28/apple-macbook-pro-penryn-tests-a-little-more-speed-a-lot-less/
The meat of it:
[MBP] Core Duo (2.16GHz)
Peak: 195° F, fans over 5000 RPM
Average: 185° F, fans about 4900 RPM
Enclosure (bottom): very hot to the touch
Enclosure (top): fairly hot to the touch
[MBP] Penryn Core 2 Duo (2.5GHz)
Peak: 176° F, fans about 3400 RPM
Average: 173° F, fans about 2500 RPM (much quieter)
Enclosure (bottom): warm to the touch
Enclosure (top): warm to fairly hot to the touch