PyCon (Python conference) is the largest annual gathering of the Python community in the world. PyCon is organized and run by volunteers from the Python community. PyCon is for Python enthusiasts of all experience levels, from new users to core developers. PyCon is inexpensive because it's organized by the Python community for the community. Registration is far cheaper than most comparable technology conferences, to keep PyCon accessible to the widest community possible. PyCon generally comprises of Tutorial Days where you learn new technology in intensive 3-hour sessions, Conference Days to find out what's going on in the Python world, meeting your fellow Pythonistas, sharing your knowledge and making contacts, brainstorm projects and what not. There is more to this including scheduled talks, Expo Hall talks and lastly Development Sprints. PyCon 2009 will feature the new Virtual Machine Summit and the Python Language Summit.
PyCon 2009 is scheduled from March 25 and will last upto April 2 '09. The venue for this years PyCon is Rosemont, Illinois which is a a suburb of Chicago adjacent to the Chicago O'Hare International Airport (ORD). Registrations start from February 21 and there are wide range of tickets available including student discounts.You should consider reading the PyCon 2009 blog for regular updates or Searching Twitter for regular updates too. List of experts giving talks can be foaund here and here. For further details visit the PyCon 2009 Official Website.