I ran across TweetMiner and was intrigued that it was a tool that could bring RSS news feeds in and allow single click tweets right from the content. The goal is to search and mine for web content that you then easily share with followers. Once again you become the micro-community search tool for your followers.
There is both a web and desktop client available and demo videos to help you grasp how it all works. Adding a feed uses Google keyword search to build the feed and the you start bringing in news articles that can be instantly scheduled. You may also schedule them for somewhere in the future.
Now there is a few plans, from free to Max with varying costs and features. the number of feeds you can bring and and using your own bit.ly account are some of the things you end up paying for. Free accounts are only allowed 5 searches to generate RSS while the Max gives unlimited. You get the idea.