It is almost impossible to determine what the real cost of mobile broadband service (or for that matter cell phone service).
All the companies seem to want to bundle phones/PDAs/Computers/NewWidgets with their service. Why can't they just sell service. Then, companies that sell devices can just sell devices. And the best services will survive and the best devices will survive.
All that survives now is the best advertising hype... which is worthless noise.