Protopage

http://protopage.com/
Put all your RSS feeds in one location. Use different tabs to group by topic

Samples and Ideas

http://protopage.com/sseverns
http://protopage.com/sseverns#Untitled/RSS_feeds

Pros

Very easy to add feeds or select from feeds
Add non feed items like a To Do List
Share with others or keep personal
Will strike though items you have read through Protopage so you don't have to remember
You can add your own Twitter feed or Twitter feed of search results such as yabooks
You can access your protopage through your mobile device's browser by going to protopage.com/mobile.

Cons

Need account to personalize
Some feeds won't always work

Tutorials

none