Have you Checked out the Fireworks created by WordPress as summary of your blogging activity in year 2011.
Wordpress a blogging tool.
WordPress is definitely is the best CMS for blogging as it is Famous for " 5-Minute Install "and easy to use. As a webmaster or Blogger you need to test new themes and plugin regularly, but it may go wrong something and your site will be down. So to avoid it , you can test your themes and plugin Locally in your pc.To install WordPress,it has following requirements (Version 3.2)