Scary Good Movies

I just got back from The Crazies (review forthcoming) and I am in the mood for horror! So, I thought I'd post some of my favorite movies from that genre. Let me know if you agree, disagree, or have movies to add!

Paranormal
28 Days Later*
Alien (series)*
Quarantine*
Scream
I Know What You Did Last Summer
30 Days of Night*
American Psycho
Blade
The Amityville Horror
House on Haunted Hill*
The Ring
Ghost Ship
Resident Evil*
Dawn of the Dead
The Descent*
Black Christmas
Haunting in Connecticut
The Mist
Drag Me To Hell
Cloverfield
The Hills Have Eyes
Shaun of the Dead*
The Ruins*
*personal faves