Well, if you really want to branch out here's my most frequently listened to artists list from Last FM! I think it's all awesome at least!
Me First and the Gimme Gimmes
Stiff Little Fingers
Jason and the Scorchers
Los Autenticos Decadentes
Human beings make life so interesting. Do you know that in a universe so full of wonders, they have managed to invent boredom? -Terry Pratchett
Atmospheric, ethereal and simple yet infinitely complex. This one is a very accessible black metal song accompanied with an appealing esoteric visual of the past, present and future. For those his vocals unappealing, I suggest focusing your mind/ears to become in tune with the guitar only-everything else will unfold.
OK let me inject some Latino flavor into this site. I will put up different "styles". There are A LOT more different styles but this are just a small sample size I guess. I do listen to a lot of different types of music but I just wanted to share Latin ones with you guys: