CRJ-700...notice the underbelly cargo door in front of the wing, portside? Also, notice the elevated window level?
Photo © Felix Sieder
Photo © Derek Pedley
CRJ-200...absent on the smallies... "neckbreaking" windows
Photo © Ian Haskell
I know the obvious answer is that the -700 and -900 need more cargo space for the commensurate #of pax, but wouldn't underbelly cargo provide extra revenue potential for CRJ-200 operators?