Now there are some on sale.
From the developer in Sweden, only the assembled PCB, no cables/plugs and capacitors:
http://vedder.se/2015/01/vesc-open-source-esc/
115EUR plus 20EUR shipping worldwide.
Or here from Australia, complete with cables/plugs, capacitors and in shrinkwrap:
http://www.enertionboards.com/electr...ta-membership/
112EUR plus shipping
For people who only need 8S max, the 60V FETs on the ESC can be replaced by these 40V FETs with lower resistance:
http://www2.mouser.com/ProductDetail...ueC7iZnQ%3D%3D