Share 'Crowdvine vs Ning'

Has anyone else compared Ning to Crowdvine? I generally like Ning better, but the one feature that Crowdvine has that is very compelling is the profile answers are tagged, so it creates a tag cloud that let's you see everyone that responded to the profile question. Then you can actually see a map of where they are located so you could connect with people local to you if you want, or even if you...