I was told that the OLED 65EF9500 65-Inch 4K Ultra HD Smart 2015 model TV manufactured in early to mid year 2015 experience judder and motion blur so significant that one would not want to watch sports programming. Further it was said that this condition did not occur on units manufactured late in 2015. Is that true? Please advise as I am awaiting your response before I move forward with purchasing a model made in the first half of 2015.