Cheers guys. Nah the keg at the end is just for no chill. I was bit short on time in the video, and a bit loose with the terminology for the less beery audience.
We actually have a 3 gallon glass carboy for fermenting.
Anyway, it's making it's way around the nerd sites now:
Plans for what next are probably a peristaltic pump to recirc the wort during the mash.
I have a wifi card to go in it.
Some tweaks to the software to make it fetch the time from the network (it doesn't have a battery backed clock).