If you belong to people like me want to follow the progress of each step that Ubuntu will be interested to know the agenda he plans to Karmic Koala.

14 May 2009 - Ubuntu 9.10 alpha 1
June 11, 2009 - Ubuntu 9.10 alpha 2
July 23, 2009 - Ubuntu 9.10 Alpha 3
August 13, 2009 - Ubuntu 9.10 alpha 4
September 3, 2009 - Ubuntu 9.10 alpha 5
September 17, 2009 - Ubuntu 9.10 Alpha 6
October 1, 2009 - Ubuntu 9.10 beta
October 22, 2009 - Ubuntu 9.10 release candidate
October 29, 2009 - Ubuntu 9.10 Final

If you use Google Calendar can also import the calendar with these dates from here