Just spotted this on the Asrock website :
http://www.asrock.com/mb/Intel/Fatal1ty%20Z270%20Gaming-ITXac/index.asp
Mini-ITX, Intel Gigabit ethernet, DP, HDMI, ALC1220 audio, 6 x SATA, and TB3 (USB Type C for those lovely new LG displays), all in an ITX size board.
Interesting stuff I reckon....