Agreed. But inevitably some poor chump (Dell?, HP?) will come out here with a device that is priced lower and people will buy because they think they need one.

Agreed. But inevitably some poor chump (Dell?, HP?) will come out here with a device that is priced lower and people will buy because they think they need one. In the high-end market there won't be much competition, but this chart speaks to the overall market which of course gets diluted by cheaper players.