[Using Sakai] Multiple RSS Feeds in a Sakai Tool

[csev]

I am teaching a class and I want to create a federated RSS feed for my course - my course has several group projects and I have asked each group to make a blog and an RSS feed.   

Now I want a SI301-planet like http://www.planetsakai.org/

I thought I saw such a thing in a Sakai tool, either in contrib or somewhere else - where there were a bunch of RSS feeds all pulled together - am I crazy or does such a thing exist?

/Chuck