Pros:
The hype.
Cons:
The hype.
This can either end very well or very badly. The audience will already know the content and all of its subsequent plot twists; the real question will be in its execution.
The director's going to have to really sink deep into that claustrophobia, spoon-feeding use that sense of helplessness of being trapped the same way Scott did. Of course, I'm going to expect more than that, but that angle has to be really, really highlighted.
Also, opening betting pool on what ethnicity Mike's gonna be. My money's on Yiddish.