NewsGator Technologies has released NetNewsWire and NetNewsWire Lite version 2.1, the latest version of its easy-to-use RSS and Atom newsreader for Mac OS X. New features in this release include: NewsGator syncing, posting to del.icio.us, sending articles via email, printing, and sorting subscriptions by attention. It’s also a Universal Binary and includes numerous performance enhancements and bug fixes. NetNewsWire 2.1 requires Mac OS X 10.4 or later and is priced at US$29.95. NetNewsWire Lite is free.