Well I don't think Apple will be as senseless as they have been with the iPad Pro. I think they will converge them, but continue to support classic Mac interaction models (keyboard + mouse).
With all the competition from Microsoft's Surface lineup we'll probably see the iPad shift even more towards the Mac side of interaction as well.
To your second point about performance: have we really seen what a high wattage ARM CPU can do?
With all the competition from Microsoft's Surface lineup we'll probably see the iPad shift even more towards the Mac side of interaction as well.
To your second point about performance: have we really seen what a high wattage ARM CPU can do?