So i guess it opens tomorrow in France some reviews are out.
Some French to English translations using Google translator:
Prometheus ?: long and boring, with all the clichés of science fiction scenario in which an ultra-awaited effort and credibility. big disappointment
In terms of pure SF - aesthetic inventiveness, references to the classics - # Prometheus is a real success
Prometheus Finally a great science fiction film, the first for some time (Moon? District 9?)