Mine and my wife's 928 got the update just fine last night. Transition animations seem to be smoother but the camera performance doesn't seem to have improved as much as I'd hope. I also noticed...
I like the idea of just "Windows". Especially if they go with it as a 'service' and it will continually be updated for free or a nominal cost.
I think OneNote could be Microsoft's social media platform. A sort of combination between Facebook and Pintrest.