A networking-type site for Mac users? Sounds cool, but looks like it's still in it's infancy. A quick search for people in just my area didn't result in many complete profiles -- and I'm in New York City!!
I might be interested if it grows into something more. Markleshark said he'd just use MR, and MR's certainly good for a lot of things like getting an opinion across, or finding out useful information. But it's not as good at connecting people with common interests (other than the obvious -- Macs/Apple). And since a lot of people here are turned off by MySpace, this might be a nice alternative...
