I also thought that the music was perfect for this movie. Instead of using a creepy musical score, they used songs from Rob Zombie and other metal groups.
The features on the dvd were very good. The audio commentary with Jennifer Tilly (Tiffany), Brad Dourif (Chucky), and Don Mancini (the movie's writer) were both informative and funny.
I won't give the ending away, but let's just say that it was unexpected. It was gross and sick...but it was also a perfect ending that will lead to the next Chucky movie.
This is not a good film. It is a horror movie that is so over the top on ridiculousness that it borders on comedy. I never thought I would see Chucky the killer doll, who I feared so much as a child, in a love scene. Seeing Tiffany the killer doll making cookies for Chucky while they're holding a couple hostage is quite amusing. The domestic dispute that develops between the dolls shortly after this is just hilarious.
This movie isn't for everyone. You'll enjoy this if you were a fan of Jason X, Freddy vs. Jason or the Evil Dead movies. If you have a dark sense of humor you'll probably love this movie.