Be warned this list can change from time to time.  These are not in order of importance just must see movies.

Dude, Where’s my Car?
Donnie Darko
The Thing Directed by John Carpenter
Miracle Mile
Colossus “The Forbin” Project. Don’t wait for Ron Howards version
Run Lola Run
The Butterfly Effect
May
O Brother, Where Art Thou?
Duel

Ghost dog.
Lady Killers with Alec Guinness
Marathon Man

Oh and [...]