Riding tunes

This is a pretty good RnR topic, now I rarely do this because I like the sound of my bike too much, but on those rare occasions when I throw the iPod on under the Biltwell. It has to be the right tunes or it will just ruin a good hard ride, why don't you list some of the tunes that get ya pumped and going.
Me anything from Ministry after "Twitch" and it's Ton Up.