In a way they're very similar, but I think of the situation similarly to my main computer: an 11" laptop with a 27" display that it spends about half the time a

In a way they're very similar, but I think of the situation similarly to my main computer: an 11" laptop with a 27" display that it spends about half the time attached to. Sure, the ultimate would be something that could fit into my pocket but fold out to wall-sized... but until that's available, I'll continue to want devices of varying sizes and levels of portability.