I wish I could say this would be the perfect opportunity for progressive Christians to take over the religious scene, but unfortunately it likely won't be that easy even with this new information at hand. We seem to have entered a realm in which self-described liberals feel they have no need for religion, and those who do have faith are heavily concentrated in the very conservative denominations.
This opening has been recognized and is being taken advantage of: http://en.wikipedia.org/wiki/Emerging_church
BRTD, from what little of I've heard of the emerging church, they seem to be doing a good job of bringing in new converts. How are they in the getting people married and having kids side of things?
From what little
I've heard, good but not great. BRTD's wing of the emerging church movement seems like it would probably be among the worse at that.