Thai chili flakes. I think nearly everything improves when it is a little bit spicy. Prik Bon adds that zing without altering the flavor like a jalapeño or habanero would.
Somehow Soldout remains under appreciated, even in the midst of this "indie sleaze revival," or whatever they're calling it. 94 and For Your Next Girlfriend are a couple of my favs
I often bring my pocket moleskin with me on nights out. Writing/wired headphones on the train ride home is healing; a stream of consciousness under the influence is truly uninhibited.