http://en.wikipedia.org/wiki/List_of_cult_films
Cyberpunk, Steampunk, Post-Apocalyptic and Dystopian nightmares.
Le Reste...
Obvious ones left out.
I put all the unlisted movies from my collection in here. This list contains a lot of older movies. Movies I simply don't remember very well or just so-so movies.
Wikipedia's List of Cult Films
by Didi Green