Looks excellent to me. I've been using it on my Shield TV Pro for several years and it's amazing how well it can work on the big screen.
I think mileage is going to really depend upon the source and what you're viewing it on. A decent 720p source is going to look a lot better on a large 4k monitor. On a smaller 1080p screen the difference may be negligible.
I can totally understand how someone on a regular 24" 1080p lcd thinks the whole thing is a waste of time, and how someone on a 45" 4K oled thinks it's the greatest tech in the world.
Most people will be somewhere in the middle, where it gives a nice little bump in quality, but nothing to buy a new video card over.
Well done you beat it's invention by several year's then, it's new this week?!?
It's only just been made, you were probably using something else?!
Tried it, meh, game changing it isn't, and I have the worst network of anyone I know, a sim card equipped mobile WiFi system on 3 in the UK, DL in the low Mb.
It's marginally better yes but not that noticeable and I am not buying a Nvidia GPU for this feature.
As the years roll and DL speeds increase past dial up it will become less required, wait,,,,. were a fair amount past dialup, ,, aren't you all.