I don't know if any single person has actually read my three articles on mission, sacraments, and learning from the early Church (aka, paleo-orthodoxy). Either way, here they are:
That having been said, I was very happy to see Lausanne World Pulse, one of the most influential magazines on evangelical mission, treat this great topic. From the most recent issue (December 2011), there is an article on prayer in the early church, and another on evangelism in the early church. Enjoy!
Evangelism and the Early Church by Jerry Root
Prayer in the Early Church by John Godson