If you have ever been discouraged by the growing culture of mainstream Christianity in the United States, check out this group of radicals in Philadelphia - The Simple Way. Their notions of living as Jesus would have us live, providing for the least of us in our communities, is refreshing in a society that seems to be growing mega-churches just as fast as it grows Walmarts.
http://www.thesimpleway.org/
Check out one of the books by Shane Claiborne, "The Irresistible Revolution"
http://www.thesimpleway.org/index.php/store/product/the-irresistible-revolution/
It's a start.