Like you, I don't think that any real new ground will be broken here. I think the main attraction of this documentary is the nostalgia factor and the fact that so many of the principal actors and production team came together to make it happen. Except for Weaver, who's absence leaves a huge hole...
I'd be very interested to hear why Sigourney Weaver isn't a BIG part of this project. Personal reasons? Money? Scheduling conflicts? Just not interested? Some weird Cameron thing?
Anyway, at $99 + shipping for the physical release, I'm also hoping that a pared-down set will eventually be...