My best upgrades as follows. Lg 4k sdr to Samsung ks9500. Then to lg cx. All at 65 inches. Went from a soundbar to 5.1 then 7.1 then to 5.1.2. And upgraded to svs pb 1000 pro subwoofer. My mother thought there was an earthquake but just my subwoofer rumbling the other rooms
Worst upgrade was using a soundbar in the first place!