Mars Hill Church - 'Mars Hill' is Mark Driscoll's church in Seattle. It's the biggest, fastest growing church in Seattle (over 4,000 people). Driscoll is cutting edge, controversial, but biblically on the money. You can download great sermons here for free, you can even podcast them. http://www.marshillchurch.org/
Desiring God - God centred resources from the Ministry of John Piper: Sermons, Articles, Bible Studies about Jesus Christ, and more! You can download all Piper's weekly sermons and conference talks (mp3) here free. Piper is the Pastor for preaching at Bethlehem Baptist Church in Minneapolis. http://www.desiringgod.org/
Back to Jerusalem - The Chinese missionary movement (started by Brother Yun, the Heavenly Man) that is reclaiming the silk road for Jesus in the face of huge persecution. http://www.backtojerusalem.com/