shadowfox
Darkroom printing lives
And many of us already have M43 lenses, while Fuji's X-mount and lenses are new. Fuji plans to offer an M-mount adapter, but there are already M43 adapters for those and many other lenses.
I will say this:
Whoever creates the first full-frame mirrorless camera in the future, will get my attention (yes, even Sony). Right now I'm feeling really dumb using my rare and optically excellent Konica Hexanon 35/2 AR on my E-P2 where it becomes a 70mm lens. Ugh!