I found a program called
Klipfolio a while back and have been using it since as a RSS reader. It's a widget program, but it allows you to create a new "Klip" by copying the RSS FeedViewer. I've got at least 9 different feeds updating every 5 mins, as well as the GoogleMail klip checking for email.
It's totally free of course. I'd recommend it
EDIT: Meant to say, that I'd been looking for a very simple basic reader program for ages, I've been using one called "Sage" for Firefox, but far prefer Klipfolio.