Damn, I see a lot of Two Steps From Hell here, didn't really know it before, but despite its metal sounding name it's awesome!
Basically anything Hans Zimmer, lots of soundtracks from movies in the epic genre. Recently rediscovered this track
Rainbow Six 3 Ravenshield Theme, whoopdeedoo!
http://www.youtube.com/watch?v=Of8UYlIBAyQI also love listening to Rage Against The Machine, does make me slightly reckless in battle though. When I hear this I just feel like headbutting people.
Bulls On Parade - Rage Against The Machine
http://www.youtube.com/watch?v=-58-36lSqG4