Zune is my my primary music source while at work or in the car. While at work, I tend to choose music that doesn't demand much of my conscious attention.
I listen to KEXP, KNHC, and KUOW quite a bit. KEXP.org can save your musical soul.
http://last.fm/user/beneluxboyTell them who you really are. They want to know your musical taste too!