Beside the fact that I would be glad to get some recommendations on good movies(espaacilly steampunk movies-please correct me if I named it wrong), I think that a thred like that can be found useful.
Donnie Darko
Serenity
This Is England
Brokeback Mountain
Gladiator
American History X
Atonement
Fight Club
How High
The Shawshank Redemption
Braveheart
Road to Perdition
The Matrix Trilogy
Amadeus
Groundhog Day
Frankenstein & Bride of Frankenstein (old black and white)
The Shining
The Crow
Psycho (Bernard Hermann did a great job with the music)
Sleepy Hollow
Henry: Portrait Of A Serial Killer
American Psycho
The Bourne Identity
Johnny English
Bowfinger
The Indiana Jones Trilogy
Eurotrip
Fast Times At Ridgemont High
Good Luck Chuck
The Passion Of The Christ
The Vagina Monologues (special for HBO)
Cannibal Holocaust
Romper Stomper
Cruel Intentions
Sense and Sensibility
Hero
The Illusionist
Walk The Line
Antwone Fisher
House Of Flying Daggers
Crouching Tiger, Hidden Dragon
Kung Fu Hustle
Billy Elliot
Borat: Cultural Learnings of America for Make Benefit Glorious Nation of Kazakhstan
Team America: World Police
Chicago
Zodiac
The Breakfast Club
Pulp Fiction
Reservoir Dogs
The Last Supper
City of Lost Children
Nowhere
Doom Generation
The Living End
Sid and Nancy
Shallow Grave
Trainspotting
Tetsuo the Iron Man
Fist of the North Star
Run Lola Run
Pariah
Crumb