I came to know about Flock while I went to check updates on WordPress.org and found a better browser based on Mozilla framework. It includes great features for Favorites, Blogging from Browser and much more. Check yourself :)

Release Notes: http://www.flock.com/products/flock/releases/0.5pre.php

Five Ways to get started: http://www.flock.com/fiveways/togetstarted/

Detailed Features: http://www.flock.com/fiveways/togetstarted/13.php

Direct Downloads: