An excerpt from Pastor Mark Driscoll's article on his visit to Haiti 3 days ago:

The spiritual response in Haiti has been incredible. The pastors report that more people than ever before are becoming Christians, attending church, praying, and so forth. Many are also turning from demonic spirituality and voodoo to a simple but sincere faith in Jesus as the only Lord and hope. Because people are so displaced, getting accurate data is impossible, but many credible leaders say Haiti is experiencing a revival... 

A megachurch of homeless people who have lost family and friends.

One pastor I spoke with typifies many. His home and church were destroyed during the quake. He has since been living amidst the rubble of his destroyed home. He has planted a church in a tent city of some fifty thousand people, and the church has grown to more than three thousand people—a megachurch of homeless people who have lost family and friends. Yet, he smiles with enthusiasm and speaks passionately about the opportunity God has opened in Haiti for people to consider the frailty of their lives, their inevitable death, and their need for eternal life with Jesus Christ.

Read more from Pastor Mark's article on Churches Helping Churches.