On February 8th and 9th Dr. Michael Green spoke at the Southeastern Baptist Theological Seminary chapel services. On Feb. 8th he shares a message about "The Church God Uses" from Acts 11, and on Feb. 9th he shares a great message about "The Leaders God Uses" from Acts 20. You can find these messages online here:
Whatever you call it (house church, home church, simple church, family church, relational church, organic church, micro church, biblical church, etc.), the idea is to be faithful to the intent of the original Apostles in our church life. This can be done with any size congregation, meeting at any location as long as the New Testament model is followed instead of the modern day church model. There are many great resources available online to help us learn more about being the Church like God intended.