They're on sale on Ebay @ Monster's official store.   I know the Monster brand itself has a bad rap, but these particular set of HPs have been getting pretty good reviews   http://reviews.cnet.com/headsets/monster-inspiration-black/4505-13831_7-35440658.html  ...

I listen to some Jpop and EDM, but a lot of instrument heavy stuff like Rock, Melodic Death Metal, Alternative Metal, Metalcore, etc     My budget is around $100 to $250, but ideally I'd like to keep it south of $200.   Also, preferably something that doesn't need an amp.   Edit: I want...