Not as slick as the crank laptop, and it costs a hell of a lot more, but it allows the user to escape the clutches of Microsoft, Intel and (yes) Apple, not to mention the power company—collectively, if you will, the Man.
My guess is the solar panel probably works a lot better in the tropics. I wonder if they could set you up with the panel AND a little wind turbine for twice as much money. Then I really could operate out of a cave in Western MA like it says in my bio. Oh, to dream.