August 7-10, 2006 was the convention. Here is a list of the event's highlights:

Event Overview:

Organized by world-renowned search authority Danny Sullivan.
Delivers real-time actionable information you need to grow your business through search engine marketing.
Teaches the ins-and-outs of search engine marketing from top search experts and the search engines themselves.
Provides a unique setting to network with fellow marketers and search engine industry professionals and discuss the trends in search engine marketing.
Grants access to the world's most comprehensive gathering of search engine marketing & optimization-related solutions providers and potential partners & affiliates.
Get the latest event information at the SES Blog

Find out more about this search engine marketing convention so you can catch it next year.