The messages from the Gospel Coalition are available for download.
Tim Keller: The Grand Demythologizer: The Gospel and Idolatry
John Piper: Feed the Flame of God's Gift: Unashamed Courage in the Gospel
Mark Driscoll: Rightly Dividing the Word of Truth. And here is the written list of who negative people and positive people are, that Mark refers to in his message.
K. Edward Copeland: Shadowlands: Pitfalls and Parodies of Gospel-Centered Ministry
Bryan Chapell: Preach the Word!
Phil Ryken: The Pattern of Sound Words
Hopefully the other message will be up soon. You can find all of these sermons here.
Update: Justin Taylor has posted all the messages at his site.
