I rented Sunshine - mostly because Cillian Murphy is in it and because I've seen a lot of Danny Boyle films. I love Danny's movies and needed to see this one in order to keep up with his filmography.
Sunshine is typical Danny in that it's really crazy and examines people's mental states when they're alone and placed in a difficult situation.
I was on the edge of my seat during some parts. However, the end really confused me. I think I'll have to see it again to get it.
I think my order of preferred Danny films are
Trainspotting
Shallow Grave
A Life Less Ordinary
28 Days Later
Sunshine
Millions
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The Beach