When I was chasing down Google hits for the church unionizing post, I came across a blog that had a clean and refreshing them. Followed the theme credits and found themes available at plaintxt.org, run by another guy named Scott.
I could very easily see this blog morphing into something more like Simplr. You may use them under the GNU General Public License. (Wikipedia link about what that means, but in short, if I make changes I have to offer the improvements on the same terms and make the source code available, and so on.)