moj0e's Journal: 30 Essential plugins for Magento!

http://visionwidget.com/inspiration/web/374-free-magento-extensions.html

Most impressive one in my opinion?
The plugin that integrates PAP4 to magento:

PAP4 can be found here: http://www.qualityunit.com/postaffiliatepro/pricing/

Commercially available plugins that might be good to have:
http://www.aitoc.com/en/magento.html

Magento is awesome... but so is Wordpress...
Magento+Wordpress is Awesome x2!
http://www.silverthemes.com/blog/2009/04/wordpress-and-magento/