I guess if you take the average of upernoz's review and with John's that's about where I fell. I appreciate what the movie was aiming for, and that the ambgiuities in the movie were part of the point. But for that to work the audience has to be really drawn into the movie, almost feel a part of it, to feel those ambiguities. I found the movie really distanced itself from the audience and so people were just left scratching their heads instead of feeling as if they were part of the insanity.
...here's the transcript of an interview with Robert Baer about the movie.