There seems to be more choice of RSS readers for OS X than browsers these days. Stalwarts like NetNewsWire (my favourite) and Shrook, are sharing the aggregator pool with relative youngsters like Pulp Fiction.
David Watanabe (who created the P2P app Acquisition) has released the very first public beta of ‘NewsFire’, an RSS reader that takes a slightly different approach. Rather than imitate the Apple Mail style interface, you get a single minimal metal window that makes it feel at home with Safari.

It positively drips with OS X beauty - not just in the visual effects, but in the way the interface is pared down to the minimum. Its delightful to use. There are few things I’d like to see added, with the only change to the current set up to make the site name the larger headline (this is currently smaller grey text, while the most recent article is a large headline). It is still very much a beta (features/functionality not final) but its certainly stable. Its shallow, but I love the way that news feeds reorder themselves - the same effect used in iChat when buddies change status!