It will likely be a PSN download as well. Why? Because it won't support 3D -> no 3D cutscenes -> half the size.
I'm only talking about SP cutscenes (prerecorded videos), not 3D real-time rendering (that doesn't require more space, since it's just executable code).
@tap - well, maybe it's too big because of a lot of content? One can dream...
The Campaign won't be more than 10-15 hours.
Yes put me down for a digital copy. It beats having to mess with a disc. I just hope there is some pre load feature so as to be able to play it the day it launches. Anybody have any experience with downloading a game on release day? Whats the process?