I just received my SigPros (bought from a fellow head-fi'er), and now have several hours with them.  They are great headphones.  Agree with most of what everyone's saying about them.  These are the best sounding headphones I have heard.   They don't have the look of the higher priced headphones.  In fact, they look like they'd cost $60-150... which is a selling point for me.  I listen exclusively at work and leave them at work, so having them look like everyone else's headphones should help keep them from getting stolen.  You don't get the "I...