My Faggy Answers:
-Grease
-Xanadu (love 80s ELO and cheesy Olivia Newton John)
-West Side Story (sooooo fucking good.) (SHUT UP it is)

Really though:
-Lost in Translation
-Rushmore
-The Graduate
-O Brother, Where Art Thou?
-Fight Club (esp the pixies for the final scene)
-Almost Famous
-Forest GUmp

"Velvet Goldmine" (same answer I gave to the David Bowie question too), and "Harold and Maude"

Arizona Dream
Matrix I

Pulp Fiction
K-Pax

Requiem For A Dream!

not sure if anyone mentioned

Almost famous
Blow
Forest Gump

Cannibal, the musical!

the animated movie "Heavy Metal" .. one of my favs music wise anyway

damn i got a helluva list..will be going to the used music store.. i still lik emusic on CD ..call me old fashioned.. thanks for some great soundtracks people!

Yes!
And Blues Brothers

Absolutely. One of my all time favs as well. Awesome soundtrack.

kill bill
music and lyrics

at the risk of sounding like a homo.. across the universe soundtrack is pretty sweet.. and garden state

Blade Runner
Alien 2