While contemplating how to turn my new heat pumping Xbox into a foot cozy, I kept in mind some links that [h-tech] had sent in.
The first is cooking an egg on a processor in a practical PC. The proc in question is an AMD Athlon XP1500+. The tray is supported by a stack of 1p and 2p sterling coins. After approx. 4 minutes of warm up it took 11 minutes to cook the egg.
The second is a hotplate built from 7 Cyrix chips. The chips are wired in parallel to an AT power supply. A piece of cookie sheet is connected to the surface with thermal paste and the power supply is improved with