gNewSense 1.0 is now online: http://www.gnewsense.org/
It's an Ubuntu-based distro with the non-free bit scraped out.
Here's the release announcement: http://www.fsf.org/news/gnewsense
Developers, documenters, and a userbase are sought. The current devs can usually be found on #gnewsense on irc.freenode.net