Nature, animals, foosball, books, music, travel, foosball, beer. Those sorts of things. Not necessarily in that order.
You.
Bruce Springsteen, Jack Johnson, The Beatles, Widespread Panic, Yonder Mountain String Band, Phish, String Cheese, Umphrey's McGee, Bela Fleck and the Flecktones, Neutral Milk Hotel, Modest Mouse, The John Butler Trio, Grateful Dead, Ween, Tom Petty, Franz Ferdinand, David Gray, Mraz, Marah, Moe., Sublime, The Decemberists, Van Morrison, Janis Joplin, Yeah Yeah Yeahs, Ray Lamontagne, Ben Folds, The Shins, Rilo Kiley, Ryan Adams, Dispatch, Guster, Blues Traveller, Tom Waits, Jimi Hendrix, Ben Harper, Dave Matthews, Clap Your Hands Say Yeah, The Rosebuds, Rusted Root, Paul Simon, Art Garfunkel, Tenacious D, Talking Heads, Bowie, Led Zeppelin, The Doors, Allman Brothers, CCR, Nitty Gritty Dirt Band, Beck, Kings of Leon, U2, Incubus, Bob Dylan, Postal Service, Deathcab for Cutie, Flaming Lips, Bright Eyes, REM, The Arcade Fire, The New Pornographers, TV on the Radio, Belle & Sebastian, Mos Def, Eryka Badu, the Fugees...Jeebus, I really could go on forever.
Futurama, Simpsons, Family Guy, Aqua Teen, Sealab, Arrested Development (damn Fox to hell), South Park, The L Word, Mr. Show, The Daily Show, The Colbert Report...
I like books so much it makes my brain hurt.