Need a "PadFone" for the iPhone? Looks like ECS already has you covered.
That said, there are undoubtably people who want a convertible phone / tablet. For those of the Apple persuasion, what do you do? Throw down $500 for the cheapest iPad 2, or spend a bit of cash to convert your iPhone 4 to a tablet?
A company named ECS is demonstrating a concept docking station that does just this.