It pains me to put forth my dismal hypothesis.
The high end is in the throes of dying. We see it in the decline and failure of the magazines, the slowing of exciting new product introductions, and now a slowing of even the used market. More manufacturers and retailers will soon fail. I hope I'm wrong, but I sense this is not a cyclical slowdown but an end game we are witnessing. It will take a long time, but the best days are behind us.