I just got my Nexxus 5x phone I use as a backup and for international travel and it has the new USB-C connection. Finally, a connection where I don't have to put my glasses on to figure out orientation. I will say, though, that the Apple thunderbolt connections on its iphones still feels like a better solution, but android has finally gotten close.
I am trying out Google's Project Fi on the phone. While I lose some coverage vs. my main phone with Verizon, I have always used T-mobile for my backup phone because of its international rate plans, and Project Fi uses T-mobile, so I don't expect a step backwards. I will report on Project Fi when I get some experience with it.