Stephen Green has seen the light; I officially welcome him to the dark side of the force, in which the spectre of Larry Sabato is exorcised from our dreams and we content ourselves with the knowledge that we don’t know the unknowable (þ: OTB).
But, if you absolutely insist on your electoral college wargaming ways, Andrea Moro’s site is at least fun to look at, plus it uses Monte Carlos for the satiation of your inner gambling jones.