Personally, I'm not trading my MBA in until I get a retina display and 12+ hours of battery life.
Those two things are the largest x-factors as far as UI and performance that impact my real-wold use of the device.
I can't think of other features that would give me something I don't already have on a scale that would make me sell my current machine.
Those two things are the largest x-factors as far as UI and performance that impact my real-wold use of the device.
I can't think of other features that would give me something I don't already have on a scale that would make me sell my current machine.