Seems like they are makeing the top line 35mm focal lengths in what would be the equivilant APS-C focal lengths with the FOV factor. Very interesting! I wonder what pricing will be like, hopefully lower than the regular runs of 28-70s and 70-200s.
Mike, I would say it will be in a Canon and Nikon mount to begin with. Probabley not Pentax, and definatley not Minolta since they are closing up shop. In the Canon mount they will be EF-S more than likely. I believe that the Tokina DX lenses can still be used on 35mm cameras they just severally vignette, I am not positive on this though. Hope this helps.