The Windows Store is packed to the gills with RSS readers, and it’s easy to understand why: The Metro interface loves RSS feeds. Besides, with iGoogle hitting the skids later this year, you may need a new RSS aggregator anyway. This Windows Phone veteran brings several useful features to the table: importing from Google Reader or OPML files, searching for feeds using keywords, and creating named groups of feeds.
(If you really want full-screen immersive photos in your news feeder, check out News Bento.)
Previous versions of SimpiRSS for Metro have been buggy and frustrating. The current version is better, but not perfect.