That device has finally arrived.
While Android and iPhone battle it out over which will claim the hordes of users fleeing the sinking ship of RIM BlackBerry, and Microsoft struggles to claim chunk of the market for themselves, a new player enters the game. It is Ubuntu Linux, and the phone is a full featured Linux machine. Connect it to a docking station at home and it is your Desktop, or your media centre, or whatever you want it to be. It is a truly portable computer.