Hey Luis, thanks for your comments about the EtherTen! The first 800 have now been fabricated and they're being tested and packed right at this moment, so it's getting close now.
I'm really interested to hear about your dilemma of going from idea to production, because for a while now we've been toying with the idea of applying a book publishing business model to open hardware design:
Unfortunately I've personally been very busy over the last 6 months so I haven't had much time to pursue it, but perhaps that approach would solve your problem?
Jon
Arduino Shield List: www.shieldlist.org