Portable Vienna is the Vienna RSS/Atom newsreader packaged as portable application so you can carry around with you on any portable device, USB thumb drive, iPod, portable hard drive,memory card, other portable device (also on your internal hard disk) as long as it has 10 MB of free space and use on any Mac OS X computer, taking all your favorite newsfeeds with you.
http://www.freesmug.org/portableapps/vienna/
What's new:
* Vienna updated to 2.2.0.2209