Side note: Apple is opening a plant in Mesa, Arizona and will employ about 700 people. http://cdn2.geeknation.com/gee...
"At some point a PC will cost more than it's worth to repair, but that's the point you chuck it and get a new one, and even then you can harvest parts as spares."
Replacing the motherboard certainly qualifies as the point that the pc is cost more than it is worth. But then, as stated, you can salvage the other components for another system.
Unfortunately, a teacher also saw this harmless joke. The kid was arrested and expelled from the entire school district.
This means it won't need to be a high powered device. I agree with you that this is not practical at this time.
But, if I'm able to check notifications such as text messages, subject lines of received emails, and navigation commands from my GPS, I'd be happy. I should be able to change music tracks without pulling out my phone. It could display a grocery list.
Stop thinking of it as it's own computing device, and more as a display device with limited input capabilities, and I think it'll make a lot more sense.