That's a good start!
I have several pieces of software I'm working on that do stuff with
RSS. The two most basic are River2 and Radio2, the former is a river-
of-news aggregator, and the latter a simple linkblogging tool.
The goal is to have a componentized approach to microblogging, based
on open formats used to connect the components, instead of it all
residing on a single company's servers and relying on APIs to connect
to other tools. This is a zig to the zag of Twitter/Facebook and the
other microblogging services out there. I believe you can make a nice
system and have independence.
I created a new namespace [1] for these products that adds some
extensions to RSS 2.0. If other people have new namespaces for RSS,
this would be a good place to let people know about them.
Dave
[1]
http://microblog.reallysimple.org/