I hope you will try Giganews or UsenetServer for your news subscription -- especially as a holiday present for your friends, family, or yourself!
Unix/Linux RSS newsreaders:
AgileRss by Elfs Software Ltd is a "desktop aggregator that is able to display any RSS, ATOM, and XML news feed."
BottomFeeder "a news aggregator client (RSS and Atom) written in VisualWorks Smalltalk. BottomFeeder runs on Linux x86, (also FreeBSD), PowerPC Linux, Sparc Linux, Windows (98/ME/NT/2000/XP/CE 4), Mac OS8/9, Mac OS X (unified VM), AIX, SGI Irix, HP-UX, and Solaris (SPARC and x86)."
Lektora from Lektora Technologies is available for Mac, Windows, and Linux. "Lektora gathers the latest news from your favorite web sites and builds you an easy-to-read virtual newspaper. Lektora enables easy and efficient reading of web logs and news site RSS feeds within IE and Firefox."
Pears by Project five "is a three-pane newsfeed (RSS/RDF and Atom) aggregator which caches downloaded feeds for offline use. It has a clean, uncluttered interface, it's easy to use and works on Windows, Linux and MacOSX."