I'm passionate about ecology (although you'd never guess it from my chosen profession). I love hiking and going on canoe trips into the interior of large parks. There's something about being surrounded by lush forest that's absolutely orgasmic...
A yak hearder from Tibet
In a nutshell:
Classic Rock, 80s, Alternative Rock, Funk, some electronic...
More specific:
Grateful Dead, Phish, Allman Brothers, Black Crows, Electric Light Orchestra, Frank Zappa, Gentle Giant, Foo Fighters, Kate Bush, Galactic, Soulive, Kraftwerk, Orbital, The Orb, Delerium, Beastie Boys, Medeski Martin & Wood, Charlie Hunter, blah blah blah
If it's sci-fi, I'm there.
Survivor, Amazing Race, Big Brother, Apprentice (see a pattern?), Ali G, 24, Star Trek, Doctor Who, Family Guy, The Nature of Things (don't mock!)
The complete SQL Reference, Learning Perl, TCP IP Network Administration (the butler did it)
Optimus Prime