Just cause I think it's kind of cool.
http://ArkaynGamesDesign.OurToolbar.com/(ignore the name. I had a half-baked idea and then thought of Aurora).
Includes an RSS ticker for Aurora showing the latest posts, full RSS link, Weather, email notifier, pop-up block, and a streaming music player (which links to my stream, but is customizable to add any stream of your choice). The search bit will also search the Aurora forums (darn spiffy).