As someone searching for an enterprise grade replacement to our current system of using MS word -> pdf -> CD to publish and maintain 500+ user and install guides...

-what flavor of Markdown do you support (captions/TOC/auto-number figures and tables)

-can I paste images from the clipboard directly into the editor (like one can with github issues)?

-what's the advantages over setting up my own git repo and using something like gitbooks?

....

You _really_ should have a demo available for people to try out.