PC Magazine review of three RSS feed creation tools (via Steve Rubel):

"We looked at three programs that help you build RSS feeds and even let you create your own podcasts (distributed audio files that can be played back on iPods or other portable players). So if you're a blogger who wants to broadcast your missives or see yourself as a budding DJ, there's a solution for you."
The three readers reviewed are:

I've bought FeedForAll for personal use and like it (the priciest of the 3 reviewed - is $39.99 and $10 more than the other two which I've not tried).  Rok Hastrik has created a useful FeedForAll screencast showing how to use it.