@Ian2:I don't disagree with that. The phone apps will be slimmed down little "buddy" apps to the main app which needs more screen real estate.
You can see what is happening with Windows. Look at other threads about Microsoft doing anything they can to get you to go to Windows 10. The UWP story is only viable when you get everyone on windows 10. I am willing to bet money that the end of July free upgrade will get pushed out even further. Microsoft still has a lot more to do to make UWP Apps easier, richer, and better for developers. It needs to woo developers by being the best and most productive way to create applications. Maybe the Xamarin people can get it going.
I actually thought about a Lumia 950 with a $150 trade in on a 920. Looks like a Android phone is in my future.