Well, that's true about how certain methods could become outdated fast. But it's just a good argument for RedFly's USB/BT "docking" mechanism instead of a direct hardware screen connection until something better (faster wireless connection than BT) comes along.
As far as drivers, I don't see that vendors have had trouble keeping up with PalmOS (not that it changes much) or WinMobile. But that could be an issue, I suppose, if Android, Access and a lot of other Linux flavors all flood the market with devices. But I expect consolidation, and hopefully enough common ground among the Linux OS's that this sort of solution (using a mini laptop for an interface to the handheld computing device) is still practical to support across the board.
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