[zamadatix]

32" is large enough that you can get away with 100% scaling and have much more actual workspace instead of increased clarity. It's not really until you get to the 15" or 17" laptops 4k starts being about high DPI and in that space the MacBook Pro screens actually overshoot the target a bit.

[BeFlatXIII]

If my desk were large enough to support a pair of them, I'd be willing to try 32" 4K @ 1X.