Chess, Football, Racquetball, Computers, Art (Sketching, Drawing, Painting, Museum Visiting), Music (Singing, Recording, Producing), Movies, Reading, Rock Climbing, Drinking/Partying and other stuff
EVERYTHING: A Capella (Choral, Barbershop), Rock, Metal, Rap, Classical, Ska, Punk, Techno (Goa, Happy Hardcore, Trance, Acid) ... and various mixtures
The Princess Bride, Good Will Hunting, Searching for Bobby Fischer, Batman Begins, Anchorman, The Usual Suspects, Se7en, Fight Club, Office Space, The Matrix (only the first one), Hero, Moulin Rouge, Young Frankenstein, Monty Python and the Holy Grail, Monty Python's Life of Brian, Raiders of the Lost Ark, The Last Crusade, American Beauty, Kill Bill (both Volumes), Amadeus, War Games, Chasing Amy, Mallrats, As Good As It Gets, Memento, Fallen, and Serendipidy (thanks Linds!)
Smallville, Family Guy, The Daily Show, Good Eats ... almost any show on after 8pm on The History Channel
Godel, Escher & Bach: An Eternal Golden Braid by Douglas R. Hofstadter Freakonomics by Steven D. Levitt and Stephen J. Dubner Youth in Revolt by C. D. Payne