oh, I love this concept!! lol
I like simple content--Group and Discussion Board only.
It makes good usability :D
I like it - nice domain.
1 point (don't hate me) I'd like a lighter cork background?
I changed to the new image above.
Tell me what you think.
Good idea! :o
I think you might consider how a site like that could serve a niche like Ning Network Creators.