Sony officially announced the "PlayStation 4 Pro" today:
No longer called the PlayStation Neo, the PS4 Pro will give us 4k gaming and HDR. I don't have a 4K tv so I'm in no rush to get one of these myself.
http://blog.us.playstation.com/2016/09/07/playstation-meeting-2016-introducing-ps4-pro-and-the-slimmer-lighter-ps4/