Favorite Movies

What are some of your favorite movies. I'm a big horror fan as you might have been able to tell based on some of my reviews, but I enjoy a variety of films as well.

Some of my favorite are:

Scream 1, 2, 3.

The Blind Side

Avatar

Terminator 2

Billy Madison

Happy Gilmore

E.T.

The Harry Potter movies

I have a lot more, but this shows a bit of the variety I think. So what are some of your favorites?