Wee Hairy Beasties. Kid's music that doesn't suck, mostly because it's done by old school punk rockers. My girls love it, and frankly, so do I. My favorite song is "Cyril the Karaoke Squirrel," which includes a line about rabies.
Quitting MySpace. I swear to you, it was so very liberating. And no, I don't miss it. Really.