No 'Salem's Lot? You are all mad, MAD I say! His early short stories collections are great as well - Night Shift and Monkey Shines. And personally I adored Firestarter, but no one else ever seemed to like it much.
I lost my taste for King in the Christine, Cujo, Pet Sematary years, but heard he got his chops back for various periods after that. I recently read Misery and it was a hoot and half - very over the top, but wildly enjoyable. I've been trying to get my hands on The Shining for a re-read, but haven't come across it on the local library's shelves.