Well, that would get us to at least ten, so we have reached critical mass. The option will be a kit for $6, or an assembled/tested board for $11. I'll post the "final" documentation here for download.
BTW, the kits will consist of all the parts and the header to solder to the DCS-RC connector as well. You shouldn't need anything extra to put them together.
Please email me actual commitments to my profile email and we'll start the ball rolling. Boards will take around 2 weeks, parts should all be in by then.