A couple of thoughts, generally in agreement, but...
My wife is super excitied for the iPad Pro - being able to mark up legal docs on a large screen is huge for her.
I actually sit with my notebook on my legs a lot, so the case doesn't seem like it would work to replace a Macbook.
But if I was the Surface team at MS, I'd be pretty pissed.
I'll probably do the upgrade plan, I don't care about selling my phone at the end, and all I want is to have...