Man...You guys were actually starting to scare me!!!
Thank God for the last 3 or 4 posts, when people finally started naming off the all time greats like: The Shinning, Psycho, NotLD, Texas Chainsaw Masacre. I don't think anyone has Mentioned 'Friday the 13th' yet, Monkey Shines and what about Hellraiser! However, those that have been mentioned are definitely some of the best ever like, JAWS, The Exorcist, Nightmare on Elm Street, Silence of the Lambs, Halloween, Amityville Horror, and Poltrigeist!
You guys have missed all the C's though too like: Carrie, Christine, Cat's Eye, Children of the Corn!!!
I think The 6th Sense can be added, and some campy ones like The Thing, The Blob, and Childs Play! I'd add Creep Show, but it's been so long since I've seen it that I can't remember if it was actually scary or just funny!