Music:
Modern/Punk Rock. Absolutely no rap or country.
Movies:
Drama - Shawshank Redemption; Action - Braveheart & Brotherhood of the Wolf; Comedy - Spaceballs; Horror - Poltergeist; Musical - South Park
Television:
Scrubs, Simpson's, Family Guy, South Park, and to a lesser degree, American Dad.
Books:
Sci-fi/Fantasy, specifically Orson Scott Card, Isaac Asimov, and Terry Goodkind.