8 1/2 is geeky? i've got that one too
but Primer is probably the geekiest movie i have
http://www.imdb.com/title/tt0390384
i have a few documentaries
Atomic Bomb Movie...my friends don't really line up to see that one but i like it
might be geeky
Pi, Metropolis, The Five Obstructions, M, Solaris, 2001