Simon Pegg - The dead and the quick

http://www.guardian.co.uk/media/2008/nov/04/television-simon-pegg-dead-set

Make your own doppelganger visage with That's My Face

http://www.thatsmyface.com/
I'd really like one with the printing on the inside... (not that blue/plain finish + mini-pic) - That way it'd look as though it was following you round the room

via BoingBoing Gadgets
http://gadgets.boingboing.net/2008/11/13/make-your-own-doppel.html