A:Answer Yep. Much better color saturation, scaling, blacks, and motions. Skip the D and E series. These are the highly "discounted" units to get people to buy bigger tv's. They are even successfully selling D model 4k 55,65, and 70 tvs with a lousy 120hz refresh rate. With a tv that size and supposed 4k resolution you need a minimum of 240hz refresh rate to minimize the blurring with any motion on the screen. So, um... yep. Stick with the M-series. Pay the $200 or so extra. This way you won't be trying to buy a new TV again in 3 years. They are doing with TV's what they have done with our phones, tablets, laptops, and computers. Keeping us buying the newest "greatest" product every 6-24 months.