And, coming from the other side: recent years has seen the pro offer less and less in terms of ports and user-upgradability (two of the solid reasons to buy a p

And, coming from the other side: recent years has seen the pro offer less and less in terms of ports and user-upgradability (two of the solid reasons to buy a pro in previous years). Point being: the air and the pro seem be converging to a single point and the air is already there.