Aside from Steampunk: The Second Revolution trade edition, the published announced there will also be a collector's edition, limited to 50 copies out of which only 30 are available to the general public. The hardcover copies are numbered, and also include the "Making of" series beside the actual texts. Cover art by de Vlad-Mihai Botta. More details on the publisher's blog.
I can't wait to get my hands on this baby!