I'm shocked this thread is still open... are you still accepting bids? I'm a very experienced web developer (13+ years) particularly in creating online communities/blogs/forums. Do you want openly posted bids or would you prefer PMs?
I am. PM me.
The BTC amount is even larger now.
I still think
Osiris is a good idea. Maybe reaching an agreement with it's creators to open source it would be more beneficial than creating a new, centralized, software. Don't know, just thinking out loud here.
Nobody will use convoluted solutions.