Considering the genres in your first post M50 is the best choice in my opinion.   I have had the HD555 for a couple of years and recently got the M50 - the audio technicas are a lot more involving and powerful while listening to dubstep, electronica etc. They are also excellent all around...

Hello- there is a new seller who sells it for 88.99USD with free shipping:   http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=320603207215   I can warn you that it is indeed fake as expected!   The mail response that I got from the seller was;   Quote:   Man, those...