Sennheiser HD600 $250, condition is excellent, pads are a bit dusty from sitting in drawer. purchased in February 2005 from J&R. inner/outer box, original manuals, papers, 1/4" adapter, all included.
Etymotic ER-6 $80, purchased in Feb 2005. some earwax on flanges, will clean and disinfect, original box, papers.
If you are in Southern California (Los Angeles/South Bay/O.C) we can meet somewhere to complete the transaction in person.