But the small, with full PC OS and power, big hi res screen, super thin, super light, long life on battery(5/6+ hours)..SSD drive(no moving parts anymore)....AND Touch Screen (touch screen, once you get used to having it you can never go back)...are all now a must
You NAILED IT.
You can't go back. That's exactly what I think.
Win 10 is great. I still use Chrome, gmail, Google's calendar and other Google product assortments, but Google screwed up with their flash player problems and related plugins; they took away Google Voice and replaced it with the horrid Hangouts. But my home team favorite Microsoft is coming along and getting a tad smarter in apps arrangements but they have a long way to go yet to catch up with Google's mastery of some critical nuances.
I do know on the surface pro you can reattach the keyboard backwards to fold it away... I don't know on the surface book