We get many questions on availability of the CAC-1070 and 1170. Currently the 1170 (mini DP version) is sold out. New stock is expected early february. The 1070 (normal DP version) can be ordered with a variety of resellers who carry stock. 

For availability info please check the following links: 

http://geizhals.eu/club-3d-aktiver-displayport-1-2-hdmi-2-0-adapter-cac-1070-a1360939.html

In the US it can be (pre) ordered at Amazon, new stock is on its way! 

http://www.amazon.com/Club3D-Displayport-1-2-HDMI-CAC-1070/dp/B0194F1MY4/ref=sr_1_1?ie=UTF8&qid=1452862197&sr=8-1&keywords=cac-1070