Requiem for a Dream is very intense! It is basically about drug addicts, but there is a lot more than just that. You have to see it!
Also check your PM Oyo.
1: Hackers. (Awsome movie! I'm a big fan)
2. Philadelphia. (The only movie that made me cry. A classic in my book))
3. The Wizard. (Ah, the childhood memories!)
The Matrix
Sleepy Hollow
Clockwork Orange
Dead Man on Campus
Ace Ventura (Both of them)
The Mask
Liar Liar
Blue Streak
Lord of the Rings
The One
Kiss of the Dragon
Romeo Must Die
Confucious Say Die (VERY good Japanese send-up martial arts movie )