I was shopping at a Fred Meyer store ( a N.W. chain store owned by Kroger) and stopped in at the Entertainment Dept. When I asked about 4k TV and UltraFlix the sales person new exactly what I was asking about and said they had been using UltraFlix on their 4K display. That was before the Samsung announcement.

I have never been very impressed with BB and their sales staff. Thats probably why the store near us closed. Will check at Costco and the Video Only store the next time I make a visit.