John Reyst, the guy behind d20pfsrd.com, played in one of the Dark Golden Age games I ran at Gen Con. He really enjoyed the setting, and he and I have talked about putting bySwarm mechanics and playtest materials on the d20pfsrd.com website.
For now, I've created a page that shows a feed of new content that has been added to our site, but I'd also like to put some things over there and publicize them for playtesting. If we can get a few races and perhaps some spells or feats together, I'll add them to the d20pfsrd.com site and John can promote them to his community to playtest them.
What do you think?