Why bring it up again? Because Walt Mossberg just validated the concept:
Today’s best smartphones are really hand-held computers. They run a vast variety of applications, from productivity programs to games, that mimic what laptops do. Their biggest limitations for serious work, gaming, Web surfing and multimedia are their small screens, cramped keyboards and tinny speakers.
So, what if you could use the brains and connectivity of such a hand-held computer to drive a laptop-size screen, keyboard and speakers, thus overcoming these limitations? Well, Motorola Mobility has devised a new phone and accessory that aim to do just that: to make the phone the only computer you need.
Read his full post here.