I have good days and bad days with the streaming TV. Some days it's fine. Other days I really feel like there's insufficient scaleability on the serving end, because I can see the same problems on Roku and iPad. It'll just stop working and buffer...buffer... This is on a wifi connection that's usually close to 100 Mbps, or enough to run several 4K streams and I'm only asking for a single HD stream. Netflix, Amazon and Google run fine on the same devices while I get hiccups from Xfinity's streaming.