Can tell you my favourite ones -
First place - Duma Key
2nd place - Bag o Bones
3rd place - The Talisman
4th place - The Stand
5th place - Rose Madder
Don't have any "worst" ones but can tell you scariest was "The Shining", funniest "Christine" and most disturbing was "Pet Sematary".
I haven't tried any of the Dark Tower ones yet.