I've operated a wildly successful "Twilight Based Fan Site" on Ning for over 3.5 years. I've experienced first hand how NING operates as a community.
I'm ready to move on to other things,
( NO! NOT closing my Twi Site! God don't let THAT rumor start again!)
I think a social community for singles would be a fantastic and creative use of the platform.
I'm looking to speak with anyone already doing this type of website on Ning.
The lack of a zipcode search is the biggest obstacle. If you do it right, you won't get too many complaints.