I've been thinking, reading, dreaming much about church planting and church planting movements. Here are some websites and articles that have been churning my heart and thought processes most:

:: by Tim Keller ::

Globalization, Urbanization, and a Post-secular America - advancing the gospel by planting churches:
Advancing the Gospel

Post-Christendom church planting:
http://www.redeemer2.com/resources/papers/missional.pdf

Cities, and specifically Global Cities, are becoming a strategic and important nexus for church planting. To understand why, read this article on a biblical theology of the city:
http://www.e-n.org.uk/2002-07/1869-A-biblical-theology-of-the-city.htm