All of Borderlands 2's environmental music is pretty great. It's fitting, subtle enough to set the mood but powerful enough for your ears to perk up and notice.
Borderlands 2's first campaign add-on—Captain Scarlett and Her Pirate's Booty—releases today. It's good.
There's a hidden oasis in Pandora that you never knew about, with palm trees and crystal clear water that I want to die in (which, incidentally, probably happened a few times).