At the Dallas 2008 Acts 29 Boot Camp Elliot Grudem and Matt Adair spoke on church replanting. Grudem's talk was really outstanding and convicting. Adair's talk was helpful as well, and includes the QnA session. As someone working on a replant, this is good stuff. Here's the audio from the whole conference.
And if you are in the area and/or looking to plant, you should attend the Raleigh, NC Boot Camp next month.