I bought these to replace a pair of Pioneer HDJ-500 headphones which I mainly used for DJing and everyday music listening. The HDJ's were awesome in terms of sound, but broke in half after less than a year of normal use and hurt my ears if I wore them for too long. So for my next pair I decided I wanted something:   a) with good sound b) comfortable to wear for long periods of time c) durable   The M100's in my opinion nail all three of these pints, plus they look very nice. They also come with a very nice case that you can attach to your...