You then will always waiting for the next.Sounds like single TV users are best to wait for the HR64 and hope it outputs 4K. I don't think I could ever get on board with paying double the fee for a single TV
As no sooner will all of 4K be completely compatibility, when 8K or hologram will make a debut.
Really, there two ways to buy -- to a schedule like every five years or when the damn thing breaks. Any other way will be frustrating.