striker,
I've seen both planes at the Mirabel plant and walked thru the C-Series, pretty hard to believe there can be many interchangeable parts except for pretty minor stuff. The C is huge by comparison, completely new avionics, engines, systems, seats, interior furnishings, windows, etc.
ExDubai,
Paul Tellier told Beaudoin the same thing in 2004-ish, they showed him the door
GF