Tricia, of Blogging Away Debt fame, has started a Prosper listing. She's looking to borrow $3,500, and you can watch the bidding process unfold until shortly after the listing closes:
Prosper.com: Blogging Away Debt Listing
I am very interested to see how being a money-blogger — and more specifically, an "I want out of debt!" blogger — plays with Prosper lenders when it comes to funding a loan. If another blogger has attempted this route before, I'm not aware of it.