CMS vs CMF vs framework

How to Choose the right PHP framework and CMS

http://php.wonderhowto.com/how-to/choose-right-php-framework-and-cms-416811/

Choosing the best PHP MVC Framework – Part 1

http://www.sheldmandu.com/php/php-mvc-frameworks/choosing-the-best-php-mvc-framework-part-1

Yii vs CodeIgniter vs Zend PHP MVC Frameworks Comparison

http://justredit.com/yii-vs-codeigniter-vs-zend-php-mvc-frameworks-comparison/

Drupal is not a CMS

http://www.palantir.net/blog/drupal-not-cms

How Drupal Compares to Major PHP Frameworks

http://www.thewebhostinghero.com/articles/how-drupal-compares-to-major-php-frameworks.html

7 reasons to switch from Drupal to Yii

http://erickennedy.org/Drupal-7-Reasons-to-Switch

Build a PHP MVC Framework in One Hour

http://johnsquibb.com/tutorials/mvc-framework-in-1-hour-part-one