Sooooooooo, I decided just for the hell of it to purchase the 82" Q90R. What pushed me to make a spontaneous purchase is that unbelievable discount through my 'Perks at Work' via my Company plus the great 'eBates' cash back. Unfortunately it isn't scheduled to ship until March 29th from Samsung. That gives me enough time to change my mind barring something horrible revealed over the next couple of weeks :-). I'm excited because I'm hoping it resolves a couple of negatives on my 75" Q9FN such as the loss of details on the blacks. Wide angles are a bonus, but weren't critical to me since I watch within a 20 degree viewing angle 99.9% of the time at about 10-11' away. I'm hoping that on lower quality sources like 720P via Youtube TV that the upscaling and motion are better, though I suspect that part of the problem isn't the TV, its YoutubeTV (which as a side note, I still highly recommend if it has the channels you like). I haven't really gamed at all on my Q9FN, but I may give it a whirl on the Q90r. It just that I like gaming more on a Gsync 1440P 32" widescreen Asus monitor since you are sitting with a keyboard and mouse 1-2 feet from the screen :-).
Anyway, keeping my fingers crossed that I get a good panel. We shall see. I didn't get the Q900r because I just don't think for the money any advantage it may have are worth the per dollar cost increase.