If you’re using OS X on a Mac, you should check out this great new application from Ranchero.
NetNewsWire Lite is an RSS aggregator for the desktop. It has a very nice interface and allows you to subscribe to, and unsubscribe from, RSS feeds easily.
It’s stuff like this that gets me all excited about the possibilites of XML/RSS.
Incidentally, if you do install it and you’d like to get the latest headlines from adactio, here’s my RSS feed.