Picked up a unit last week, and although I currently do not have a 4K tv, I will be purchasing one in the near future. I think the regular blu ray picture is great, upscaling of regular dvd's is fine. Very limited apps available up here in Canada and no free movie offer. However, I am having lip sync issues, I have played several blu ray discs including Whiskey Tango Foxtrot, Star wars Rogue One, Promethius, Unforgiven, and Gran Torino and all have experienced lip sync issues to varying degrees. I have the primary HDMI to the tv (Panasonic 65" ST60) and secondary HDMI to my receiver (Pioneer Elite SC57) that feeds my Rotel 5 Channel Amplifier. I have good quality HDMI cables, however, I have not tried to swap them out. Can somebody recommend a fix for this issue? Using the same set up with my Panasonic DMP-BDT330 Blu Ray player I did not notice the issue.