The Grazr Web widget will add an RSS feed to your Web site or blog in no time. Like the Bitty Web browser plug-in, it's a full content reader in an embeddable component.
Users of RSS aggregators such as Bloglines or NetVibes won't need this tool (it'd be redundant), but it is a neat little gizmo for people who maintain public pages. I hope it gets added to the WidgetBox gallery soon.
Here's a Grazr sample, configured to display News.com's Web 2.0 blog: