I finally decided to upgrade to an OLED from my Samsung F8500, 60", possibly the best plasma TV ever made according to many people, the last great plasma. Many great reviews online. Cost $3500 new in 2015,the best TV Samsung ever made at the time. The contrast is amazing, deep blacks of a plasma with the bright whites of a LED. Has all the smart features, firmware updates have been kept up to date. No burn in. It took me this long to go to 4k because this TV is still amazing. I don't have space for two large TVs or I would be keeping it. It actually beat out the first LG 4k TVs in reviews. Purchased from Atlas TV and two salesmen there still have this TV as a second TV and won't ever sell it. Give Thomas a call there for an opinion. OLED is the only TV today that compares and worth upgrading from he will tell you. https://www.cnet.com/.../why-samsungs-f8500-is-the-last.../ https://www.rtings.com/tv/reviews/samsung/f8500 https://www.cnet.com/reviews/samsung-pn51f8500-review/ $500 obo