Given their particular niche; I have to say that I think that a pay strategy will probably work for them. They are the Nordstrom's personal shopper to flickr's

Given their particular niche; I have to say that I think that a pay strategy will probably work for them. They are the Nordstrom's personal shopper to flickr's Target. Yes it costs more, but you get better quality and a more personal service. Not everyone wants to use a site that just anyone can join.