You can now buy a UHD, 40" TV for less than most "branded" HD TVs
Dell's just announced a 4K 32" monitor at SIGGRAPH
Another niche in the 4K production workflow is filled as Brevity’s content transport and simultaneous transcoding service adds 4K support as well as motion compensated frame rate conversion.
The world changed again today when Blackmagic introduced two more cameras. A 4K camera for $3,995, and - a total surprise a "pocket" digital film camera for $995. An excited Freya reports
These pics show that it's not a joke after all!