I recently fell in love with Drupal's news aggregator system. I've feeds form SciFi.com, DesmoinesMC.com, SlashDot.org, Wired.com, Space.com and the BBC News. I'll be adding more feeds and at some point will probably categorize ultrasciencelabs growing list of syndicated news. Additionaly, Drupal features a "blog-it" option for registered users; this allows you to post a blog entry that automatically places the content from the RSS feed, a link to the story and it's title into a personal blog entry for discussion. I extended that feature further by adding a "discuss content in forum" link that does the same- only with a forum entry. The accumulation of news feeds in addition to the breadth of submission topics required a re-working of the fora. I added a number of new categories, the list of which will grow and change as the site matures.