My first thoughts when I saw the poll, were to think "Yeah! A full windows pc in my pocket!!! Woohoo!!"
Then I though about it a little, and really think the wireless/networking device will be the ideal future. The OS will be irrelevant, as the network will effectively be the OS. You'll only need some local grunt to actually run the applications you access over the network. Storage, etc will largely be irrelevant.
The only real obstacle to doing this right now is the lack of wireless networking infrastructure, but that will also change given time. I like the though of having my pda work anywhere in the world, and be able to run and access anything I want....
Craig.