Moon is definitely solid. The director is David Bowie's son, and it's his first feature length film, which is also cool.
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Has anyone ever seen
'What the #$*! Do We (K)now!?' It's a documentary about human thought, conciousness, and all sorts of Quantum theories...and it's pretty awesome (if you can get past the parts with Marlee Matlin acting).
What the Bleep Do We Know!? & What the Bleep!? - Down the Rabbit Hole