Here are some useful Facebook links to help with your SMO (Social Media Optimization) for your website, hope this helps!

Create Fanpage:
http://www.facebook.com/pages/create.php

Add fan page to website:
http://www.facebook.com/facebook-widgets/fanbox.php

Username URLs
http://www.facebook.com/username/

Sending a Fanpage Email:
http://www.screentoaster.com/watch/stUkhUQEdIR19fQ19aWl9ZVVBQ/facebook_fan_page_how_to_send_fans_a_message