I gave a talk on friday at a NixOS conference on saturday about the nix port, its very brief, and I may have mispoke in a nervous rush at times, but I got some good questions after the talk session was over. I even got a few questions about porting to the mill architecture from someone who already knew of the project.
https://media.ccc.de/v/nixcon2015-8-en-Lightning_Ignite_talks_day_1#video&am... Starts at 12:40
The palor trick at the end was silly, but it was something I came up with a hour or two before to show how generally the concepts can be applied.
I have two days of sprint starting tomorrow with my nix guys, and then I plan to start on some documentation.
Emery