I'm a big fan of NewsGator - and their online services (especially the multi-machine sync capabilities) are phenominal. Now everyone can be in on the goodness...without lightening up their wallets.
http://www.newsgator.com/news/archive.aspx?post=48
RSS Software Platform Leader Now Offers FREE Version of its Online Edition; New Features, Functionality, and Tools Offered
DENVER, CO — October 18, 2004 — NewsGator Technologies, Inc., the leading RSS software platform company, announced that a new version of NewsGator Online will now be free to consumers at http://www.newsgator.com. NewsGator has added a number of cutting-edge innovations to its existing state-of-the art web-based aggregator and now, users can track all their favorite RSS and news feeds online at no charge.