[Sjors125]

The Odroid seems the best option, but as it possibly has problems showing 4:2:2, that one isn't perfect eighter.
Why is it so freakishly hard to do these things perfectly?

This may be specifically related to my Odroid N2 / Yamaha / 4K TV setup. I'm not seeing everyone else having 4:2:2 or major 4K HDR issues. Might possibly even be HDMI cable related.
As such I will remove it from Post #1 

That was my reason to not buy it yet, as I don't want to introduce 4:2:2 or 4:4:4 problems in my setup
Think I'll start saving some money for an Odroid then, as that seams to be the best solution at the moment.