I just found this song, and I think its pretty dang good! Since 1776 by I Am Abomination. good workout song!
http://www.youtube.com/watch?v=kAUvCQaIhCo
interesting. im a metal kind of guy... I used to listen while working out, and now its just my genre. one of many I should say...
http://www.youtube.com/watch?v=UxtfsX722Yk