Currently listening to Amon Amarth (Viking Metal), Mortician (love the tone of the guitar(s) pretty much anything on Liquid Metal XM CH 42.

Mp3 Player has mix of old and new

Arch Enemy
Judas Priest
Lamb of God
Black Sabbath
Unearth
Bad Company
Led Zeppelin
Iron Maiden
Danzig
Cannibal Corpse

Then I cool down with some classical.