My mom for some reason thought it was a good idea to let me see it when I was little....Pretty sure that's the only reason it still creeps me out so much, 'cause let's face it, some parts were kinda funny.
I've seen it. Apparently, the people who was filming it said it was cursed because of the incidents with the actors or whatever. That's what I've seen on the television program that was covering that topic.
I have The Excorsist: the version you've never seen. The one where she runs down the stairs in the backwards crab walk, and stabs herself with the cross. Oops spoiler...well just watch it to desensitize yourself.
I first heard of that when I was like seven or eight. Then when I was like eleven I watched the whole thing. Ever since then it's been one of my favorites and I've watched like four times, I can never forget the spiderwalk scene out of my head.