Semi, it is very hard for me to envision an 80-something watt Prescott in a mobile computer, even a desktop replacement. Guess I'll just have to see one for myself, but I can't imagine a cooling system big enough to handle the heat, yet small enough to fit into that form factor.
Perhaps subsequent steppings won't require 80 something watts? In any case, I agree, that in prescott's current form there would need to be something done about the power requirements. Throttling doesn't seem to be the smart option.