Of all the ones I've seen:
My favourites:
The Shining
Misery
Desperation (It isn't brilliant, but I quite enjoyed it)
The Shawshank Redemption
Carrie
The Stand (not a movie, but I'll add it anyway)
Enjoyed:
It
Christine
The Mist
The Green Mile
Dreamcatcher
Ok:
Children of the Corn
1408
Watched the first half, enjoyed what I saw, but didn't get around to finishing:
Pet Sematary
Don't think I've seen any of the others, but there are quite a few I have been wanting to watch for a long time but have never got around to watching them.