What is a normal operating temperature for a 15" MBP 2.33 duel?

i know this has been beaten to death, but i never can find what is considered to be a "normal operating temperature" for the MBP.
mac book pro   Mac OS X (10.4.8)  

An MBP C2D should operate from 50ºC through to about 85ºC. I find mine averages in the low 50's however I don't do a lot on it. Anything that really requires processing gets done on my Mac Pro. It really comes down to how hard, or not, you push the processors.
Comparitively I find that it generally runs cooler than the PowerBook G4 1.25GHz it replaced however it does get hotter under maximum load. It just comes down to what you do with your MBP. You've basically asked "how long is a piece of string".

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