Look at this video from CES. At 2 min and 40 seconds stop and read what is on the screen. It has the top ten fastest growing products based on shipment revenues.

While HDM is niche, these shipment numbers are significant and with things changing quickly, they may signal better adoption.

http://www.youtube.com/watch?v=4WHGkFlIOaY&eurl=http://ces.blogs.com/