Brian Livingston wraps up his series in IT Management on Picking The Best RSS Client with the entry on desktop-based aggregators. With this entry, he has discovered the same thing I've found. There are just too many out there with far too many different features.
The wealth of RSS readers makes it somewhat confusing to select the best one for your company. But, if you know which application you'd like to associate RSS feeds with, it's not too hard to make a choice.
And you can lean back and appreciate the benefits of diversity. Unlike Web browsers, RSS readers haven't yet been reduced to just two or three serious choices. Enjoy it while it lasts.