Lots of bad movies here. I'm stereotyping you guys to fit the cliche of your favorite flicks. It's pretty amusing.

natural born killers
one flew over the cuckoos nest
taxi driver

Brothers.. it's a must watch ;)

Chopper,

with Eric Bana.

Also directed by Andrew Dominik (directed The Assassination of Jesse James).

City Of God - especially if you normally 'don't do subtitles.

The God Father
I Am Sam
The Count Of Monte Cristo

Off the top of my head...

12 Angry Men
Big Blue
La Femme Nikita
Patton
In the Heat of the Night
Who's Afraid of Virginia Woolf
Raging Bull
Delicatessen
Glengarry Glen Ross
The Hustler
La Vita è bella
The Shawshank Redemption
Network
On the Waterfront

All Must sees!!!:thumbsup

To much to list.
But I would deffinately recommend about any movie featuring Monica Bellucci.

Oh and just because one of my friends gave me this monologue spot on just yesterday in a bar:

Watch it man. EPIC in so many ways.....

There are just too damn many good movies to list. I'll toss in two of mine I like.

L.A. Confidential

Lost in Translation

The Departed
Never Back Down
The Covenant

hhehe not at all, I just want to make sure I don't miss anything!!

Goodfellas, Usual Suspects, Old School, A Clockwork Orange

Psycho (1960)
2001: A Space Odyssey
Ernst Lubitsch's The Shop Around the Corner or To Be or Not To Be, pick one
Billy Wilder's The Apartment (1960) or Midnight (1939), which Wilder wrote in collaboration, pick one
A Hard Day's Night

--t