i really do like goodfellas. but my favorites have always been Rain Man, Driving Miss Daisy, Citizen Kane, Shawshank, and Schindler's List. I can pretty much recite Tommy Boy in it's entirety.
Jaws is one of the all time greats, and one of my favorites.
A few good men is up there for me as well.
Braveheart is one of my favorites too.
oh, and The Bridge Over the River Kwai is also one of my all time favorites.
comedies...hm that could be a long list...but...
the big lebowski
something about mary
tommy boy
the jerk
office space
smokey and the bandit (that's for Liper)
old school
wedding crashers
me myself and irene
bedazzled
spies like us
caddyshack
fletch
animal house
whew...this list could go on and on...all great movies........