Carrie is awesome, as was The Shining (the original w/ Jack Nicholson--the Steven Weber from Wings version is ok and stays true to the book, but I couldn't get over the fact that it's Steven Weber from Wings
). The Green Mile was also very good, and I love The Shawshank Redemption even though I haven't read the short story.
Needful Things was probably the most horrendous SK movie ever.
ETA: Out of curiosity, I IMDB'd Stephen King. Here's the page with all of his stuff:
http://www.imdb.com/name/nm0000175/
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