Why not simply ask the impact of Portman or Bayh? Simply asking for maps will a) Force people to exaggerate their claims of the VP's impacts in order to adjust their predictions to yet another scenario that isn't all-that-different, b) Diminish the intellectual discussion of the impact these VP's will have. Most Republicans think McCain will win Ohio and most Democrats think the opposite no matter who the vice president is, to get to the interesting truth you really have to find out how much improvement Obama can get in Indiana with Bayh and McCain in Ohio with Portman, along with the message associated with the VP pick (Obama choosing a moderate and McCain choosing an economic specialist).
That said, this thread is funny and I will join in.