In an application seminar designed to help participants make the Purpose Driven paradigm work in an emerging church context, Cornelius told church leaders to be careful of what they read about building an emerging church. Many books on the subject do not figure in the need for church growth.
Another article here.
On a related note, Jordon has re-linked to a chart that compares the pragmatic evangelicals (in which I would include Saddleback and the PD paradigm) with the younger evangelicals (including the emerging church). Different creatures altogether.