Current events, DIY, Homebrewing, Munchkin, Coding, Hacking, Reading other people's blogs, Experimental cooking, Breaking things, Fixing things, Running, Hair color, Legos, Pirates, Ninjas, Zombies.
Classic Rock (respect your elders!), Tika's got me listening to Pop and Pop/Punk; she still tries to fast forward through my Electronic and Celtic though. And a little Classical thrown in to make me look cultured.
If it explodes, I'll watch it. If it's historical romance, I'll watch it and mock it. If it's bad SF, I'll watch it and laugh at it. If it's directed by Steve Oedekerk, I'll pester you about it till you give in and watch it with me.
The Daily Show, The Colbert Report, and The McLaughlin Group (a.k.a. The Yelling People). Good Eats. Almost anything on Adult Swim, except Tom the Mayor (maybe I just don't get it?). Law & Order:*, but only the one true CSI. Battlestar Galactica, Firefly (cry), Farscape (cry). NHK News.