The Python Community Server has a third user: Web Archetypes, "a look at the standards that matter." Looks good. In a year, I wonder if one of the standards that matter will be xmlStorageSystem, UserLand's architecture for exchanging files with a community server via upstreaming.
I hate using FTP clients to keep my web sites up-to-date. If I can replace FTP with a system that automatically mirrors folders on my desktop computer with folders on my web server, it will be a huge timesaver.