Philocrites has made it clear that blog-like software can be useful for making new publications possible. (And I agree, provided they're not all dubbed blogs.)
I want to make it clear that just because a certain religious group appears to be numerically successful that they have models that would apply to Unitarian Universalist, or even work in their own confessional family. (That assumes that numerical growth can even be sought; for which I'm of two minds.)
A wise little article from a former dead-tree magazine combines both these thoughts.
From Australia, from the "conservativish"-to-conservative end of Presbyterianism:
Note: they use Textpattern, a CSM that's been on my watch-list for a few months.