While I'm not saying 600-700 is fair price, I'm sure a lot of money went into R&D. I wouldn't doubt that R&D accounts for a significant portion of the differenc

While I'm not saying 600-700 is fair price, I'm sure a lot of money went into R&D. I wouldn't doubt that R&D accounts for a significant portion of the difference in price. It would be interesting to know how much profit they are making on each device.