^^ Wow... there is only one movie I have actually walked out of, and it was Jurassic Park 3 (I wanted to walk out of Meet the Robinsons too, but I wasn't driving so I had to stay). Duel was AWESOME tho, did you ever read the original story by Richard Matheson? It's fantastic.
In any case, my favorites are:
1) Schindler's List -- I can't really watch it again (just like how I don't
understand how people buy annual passes to the Museum of Tolerance) but it was his most moving film.
2) Raiders of the Lost Ark -- my dad and I would watch this all the time. I love this movie and was so scared of the beginning with the skeletons
3) Poltergeist -- yes I know Tobe Hooper was listed in the credits as the director, but according to the cast, Spielberg was the director. So there. Clowns + evil trees + Zelda Rubenstein = Scared little Joey.
4) The Color Purple -- yes yes I know he cut out most of the Sapphic love stuff but this movie made me cry even without the snatch-on-snatch action.
5) Indiana Jones and the Last Crusade -- I just love the interaction with Sean and Harrison with this one. And it had a scary ending. And I spent HOURS with the LucasArts game derived from this film, so it has a special place in my heart.
Honorable mentions: A.I. -- I am one of the few who actually liked this film (especially Jude Law, yum) but with one caveat -- the ending. There was a point in the film (you know it if you've seen it) where things go REALLY south, and if the film ended just before that point, it would have been fantastic.
Empire of the Sun -- just awesome, Xian Bale is great.
Indiana Jones and the Temple of Doom -- I had a story book for this, complete with the bugs and the heart-ripping scene. Love it love it.
DIShonorable mentions:
Jaws and Close Encounters of the Third Kind -- both of these movies bore the living sh*t out of me.