I agree with KK_Cowboy, I wouldn't fault you for going with Dalton, but I also wouldn't feel very confident starting him either.
Cutler doesn't really have any weapons aside from Matt Forte. Either way it's risky, but you have to say Dalton has way more upside in this situation.
QB: Ben Roethlisburger
WR: Calvin Johnson
WR: Dez Bryant
WR: Jeremy Maclin, Robert Meachem
RB: Darren McFadden, Michael Bush
RB: Michael Turner, Daniel Thomas, Ryan Torain
TE: Jimmy Graham