Off topic as far as IGG goes, yes, but valid as a kind of update, I'd say, and probably we're all paying a bit extra attention to this thread anyway, so:
https://www.youtube.com/watch?v=bJvGqZJUV5Mfeatures Mr. Mrsic-Flogel and Davide Guidi, recorded yesterday (Nov 26), it seems, and has some up-to-date info in it.
Of the 4000 first Cosmos, around 3100 seems to be crowdfunding backer devices, while the rest are for retail. However, as all Cosmos (in this production run) with a particular keyboard layout are made in one go, backers with the least common layouts, will, essentially, have to wait until all 4000 units have been made. It seems they were somewhere around 75% done yesterday, so, hopefully, a few more percents done today. And oh, there's a "Linux Technical Preview", in the video as well...