4k resolution

Currently i run 3 Dell 24" 1920x1200 monitors, where the oldest ones are 10+ years old, and while they still work i'm looking at replacing them all. Probably going with two 4K monitors. Does anyone know when there will be monitors available with the following ? - 24-28" size - 4k resolution...

Ok, let's create the thread which continues the 4k resolution coming thread at https://forum.beyond3d.com/threads/4k-resolution-coming.50267/page-23 I disagree, kind of, that it is already here, because obviously there are ZERO 4K displays at important screen sizes as 17", 19", perhaps 20" and...