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Halo: the movie that never was
http://www.computerandvideogames.com/361634/features/halo-the-biggest-movie-never-made/
Interesting story here. Knew a lot of it but never seen the footage before... UNTIL NOW.
http://www.youtube.com/watch?v=b2PPKZ4JW1c
Shame they never made it. Although then we likely wouldn't have got District 9, so maybe it's not...