I've been running my own mail, jabber and www server for over three years now, and I am extremely happy with it. If anybody is interested in my setup and/or would like to run their own, I'll be happy to write a quick guide/howto.
Me too! I'll soon be buying a small home server and I am still wondering how to begin building my setup, since I've never used anything else than FTP hosting.
I would be very interested in a quick how to guide.