After the comment on how I added additional RSS feeds for browser detection I went ahead and made the least necessary plugin I’ve ever released. Maybe Movable Anything is unnecessary for more users but this plugin might take the person longer to download and install than just modifying their header file in their template, even though it has an options panel.
For those who do not want to edit their header template I scraped this plugin together in 30 minutes. Add RSS is:
Add RSS Feeds to your template header for Firefox and other browsers to detect your additional RSS feeds. Feeds are not excluded to local RSS to your site. For example you can add your Twitter or Pownce feed just as easily as adding your comments feed.
Updated version just uploaded, 3pm PST.
I'm a 
I think it’s a good idea to do it in a plugin rather than editing theme files, so I think it’s worthwhile.