Regarding 3 - why would you want to make it smaller? It can easily be held with 1 hand as they were doing in the demo. It weighs under 3lbs (maybe a couple oz'

Regarding 3 - why would you want to make it smaller? It can easily be held with 1 hand as they were doing in the demo. It weighs under 3lbs (maybe a couple oz' less when they make it smaller/remove stuff) - I can comfortably hold my MacBook Air with 1 hand while I type with the other and it weighs 3lbs.