Box Office Mojo has posted some release date announcements and changes pertaining to horror-related films:

The Mist (November 21, 2007 : The Weinstein Co.)

Published in 1985 as part of Stephen King's short story collection "Skeleton Crew," The Mist directed by Frank Darabont takes place in a small town where a thick mist engulfs the area, killing those caught in its darkness. Terrified survivors seek refuge in a supermarket, while a swarm of murderous critters tries to get in.

Alien vs. Predator: Survival of the Fittest (December 21, 2007: 20th Century Fox)

The sequel to 2004's Alien vs. Predator.

I Am Legend (December 14, 2007: Warner Bros.)

Starring Will Smith and set in Los Angeles after a biological war, where the film centers on the sole healthy survivor, a man who finds himself in a battle against nocturnal mutants.

Behind the Mask: The Rise of Leslie Vernon (February 15, 2007: Anchor Bay)

Starring Robert Englund; The next great psycho horror slasher has given a documentary crew exclusive access to his life as he plans his reign of terror over the sleepy town of Glen Echo, all the while deconstructing the conventions and archetypes of the horror genre for them.