How fast can you install modules? Drush, the Drupal command line utility, takes what normally is a tedious task and turns it into a delightful experience.
Final Times Manual Method: 2:38:75 Drush Method: 1:17:57
Module installation is just one of the things Drush can help you with. Learn what else it can do for you on the project page: http://drupal.org/project/drush.