Links to sites dedicated to covering the DVD releases of specific cinematic genres.

DVD Stalk
Everything You Need to Know About Horror on DVD
http://www.dvdtalk.com/horror/index.html
Horror Digital
Horror DVD reviews, forums, chat, and links
http://www.horrordvds.com
Silent DVD
Reviews of DVD of Silent Era films
http://www.dvdtalk.com/silentdvd/index.html