RSS Feed Resource List

Moreover - Full list of news categories available in a rss format newsfeed
Huuuuuuuuuuge LIST!!!

InfoWorld: RSS Feeds
Another huuuuuuuuuuuuge list of RSS feeds

For the medically-minded, scientifically orientated, an excellent collection of RSS Feed resources can be found at Medscape (listed by category):
Medscape Headlines in RSS