You are more then welcome to for someone else to start one, the one I am working on I figure there wasn't a bounty for (out of love of the community I guess )  

ps. Prolly more just to see if I could do it

pps. Wow, I didn't see the proposal till I wrote this one! That is nice! I can incorporate some into it, but iti s mostly just a prototype site so nothing is open source so to speak (PHP and not ready for prime time) Love that proposal! Ok, back to work...