Here's an unsolicited review. I have used him for one of my client on a very competitive niche. It worked like a charm.
I also know the site his network has ranked. www.h...ce.com etc. I had a site on the same niche. Think about ranking a new site ranking against sites like webmd and other sites with DA >80. (50k+ exact searches)
I wanted to get the same links for my site but could only have a few because of my limited budget. Man, I envy you but at the same time vouch for your network. :ak: