what everybody else wants to know nikka
You can see the potential from the Microsoft studio games they've enhanced.
There are still bugs that may affect QoL.
Probably will feel a little underwhelming if you ply sports games that aren't opticmized. 2k18 plays in HDR, but I'm not sure if there's any difference.
The major hurdle is that Microsoft x1x users are at the hands of developers. People who own x1x are flagged as such in the meta data and whenever companies put those updates out then you'll get them.
That said, some of them are just enahanced and not 4k HDR.
I'll pull a list later if I'm allowed.