Probably a safe bet that Dolby Atmos won't be added to the Hauptwerk built in audio output choices' any time soon.
The built in room calibrating system and there's that neat calib mic - could be a desirable. 8
https://youtu.be/jaqvcTIoqHM?t=318s
Then there's HDMI Arc. Other than the price, there's lot's to like.
Rgds,
Ed