WARNING: This feature has been merged into drush >= 4.0.
This module will no longer be supported and this workspace will be removed soon.
Out of the box Drush offers support for Drupal 7.x site install.
This module provides support for Drupal 6.x site install as well (without any http calls to a running server).
Assuming that you have drush already installed.
drush dl drush_site_install6
For more info please consult
drush help site-install6
This module is based on this blog post:
See also http://drupal.org/project/provision