Hah. That's an oddly specific match for our dilemma. Have you ever used it?
I am at the same juncture now.
There are many talented designers on there. I asked for a bid for logos a while ago and got 15 bids that were up and down the line for quality. I just don't know how many designers on there are willing to work for equity.
You're one of the few other people on here from Pittsburgh! email me if you want to meet for food/drink sometime.