Hot Off Your News Clicking Service reviews the subscription news reader NewzCrawler, and highlights the attributes of news aggregators in general.
There are other reliable news aggregator applications, including free and fee-based alternatives such as the following:

• AmphetaDesk – http://www.disobey.com/amphetadesk/
• Newsbooster – http://www.newsbooster.com/
• RadioUserLand – http://radio.userland.com/newsaggregator
• Syndirella – http://www.yole.ru/projects/syndirella/