I started a project to find me relevant resources while I'm in college. So far it has worked well among friends, even for it being a prototype. My project is a match engine, not a board, and you could say both have their weaknesses and advantages. Whatever HN does, I think the OP is along the right track.
Here it is: http://pickupon.com/
(Also, if anyone does see this, let me know if it is "Ask HN" quality.)