Cool idea, actually.....be sure and add links to all the SE's and bookmarking places so someone might even subscribe.
http://www.twistermc.com/shake/RSS-index.php#top should be able to create the code for you to do that. If not you can get the info on how to add the buttons for the major SE's here (ok so it is my site)
http://www.misterwalrus.com/abt/inde...d=13&Itemid=23