Music, film, audio recording/engineering, acoustics, volleyball, snowboarding, the beach, building shit, drinking beer, building shit while drinking beer, rebuilding it while sober. Someday this fat man will get back into working out, too.
Classic rock, reggae, funk, some jazz, orchestral (especially 19th century and forward), musicals, celtic, bluegrass, and lots of folk and traditional music from around the world.
Comedy, drama, and documentaries.
The Daily Show, The Colbert Report, Mythbusters, 30 Days, Conan, Family Guy, South Park, The Simpsons, and almost anything on the Discovery or Science channel (NERD!!!)
Currently: Elegant Universe by Brian Greene (I wish I actually had time to read).