Every few years, Asus manages to bring technological concepts to market that influence and change the industry. They did it with the EeePC, they did it with the Padfone and FonePad models, they came up with ideas like the Transformer or the dual-screen genre. And now they've done it again. They're showing us the future we're heading towards. But like any device of this kind it remains a rather expensive technological demonstration, only for enthusiasts who can put up serious funds.