Some of the study's findings:
Here's a link to the Trinity College study ...-- None's make up 15% of the population and that, given their rate of rapid growth, they might surpass the nation's largest denominations.
-- The rise of the Nones is usually decried by religious leaders as a sign of secularization or atheism's ascent but get this: 51% say they believe in God.
http://www.americanreligionsurvey-aris.org/reports/NONES_08.pdf
And an article on BeliefNet that mentions it...
http://blog.beliefnet.com/stevenwaldman/2009/09/deism----its-back.html