Mega Menu Notes from UDWEB list:

Inspiration:

http://designm.ag/inspiration/mega-menus/
http://www.jhu.edu/
http://www.bentley.edu/
http://www.useit.com/alertbox/mega-dropdown-menus.html

Sample Code:
http://www.sitepoint.com/blogs/2009/03/31/make-a-mega-drop-down-menu-with-jquery/
http://www.sohtanaka.com/web-design/mega-drop-downs-w-css-jquery/