By the way, I did go Project Fi. Funny thing, using Signal Check, I get Sprint LTE or 1x800 in the backyard and T-Mobile LTE Band 4 in the Front Yard...
Made me chuckle.
Got mine late yesterday. I am hooked up and today will test useage and battery life. So far I like the 5x better than the Nexus 6 I have. I had nicknamed the Nexus 6 "The Billboard"