Im sure u know this, but pls bear in mind 4k is more than just higher rez. There is the HDR for instance, highlights between dark and light r more pronounced, resulting in more lifelike and vibrant, yet still entirely authentic colors. Check these shots from the ceo3k bluray and 4k for instance:Quoting Irish (view post)
https://caps-a-holic.com/c.php?d1=12...53&i=2&l=0&a=1
Check the picture with Dreyfuss and the other dude wearing yellow safety headgear. Many would argue HDR is really where its at with 4k.