How good is the 3D in Prometheus? (spoiler-free!)

Prometheus is the most eagerly awaited sci-fi film since Inception. Geeks around the world have been losing their mind with the release of each new trailer, and it's subsequently taken on "Event Film" status. Despite all this, Prometheus is saddled with a lot of baggage. It's Ridley Scott's first science fiction film since Blade Runner; it may-or-may-not-be a prequel to Alien ; it's Fox's biggest film since Avatar ; it's Scott's first 3D movie; it's hopefully Michael Fassbender's home-run performance and.... well. You get the picture. Let's put that all aside, and focus on the 3D. Because this article's aimed at people who haven't seen the film yet, I'll try and keep it relatively spoiler-free. If you want the experience to be completely pure though, disconnect the internet, and run to the nearest big screen you can find! Native 3D: 3Defence has already written an article about how Prometheus was shot in...