Get Up Off Your Knees: Preaching the U2 Catalog. It started back in 2004 with a book. We're still watching it happen.
"They all seem to have the ability to act sensibly"
An interesting interview with Garvin Evans, father of the Edge, by an Italian living in Dublin who got to know him at church ("rigorously Protestant.") Italian on top; scroll down for the English version.
"U2 Sermons" began as a blog tracking the experience of publishing the book "Get Up Off Your Knees: Preaching the U2 Catalog." It's continued as a place to observe the dialogue between U2's work and theology.