Here are some great upcoming conferences for educators.
Day of Discovery, sponsored by Discovery Education, held around the US (free, and not just about DE Resources) Next one is March 26th in Brockton, MA. http://blog.discoveryeducation.com/blog/category/den-events/
Discovery Education Spring Virtual Conference April 30, 2011 9 AM to 3 PM ET
(free, online). Many states host live events to participate in online conference as a group too.
TechForum, sponsored by Tech&Learning Magazine, held around the US (not free, but really great conference) Next one is Boston on April 8th. Chicago is May 6th. New York is next October 21st and Austin, TX is November 4th. Just announced is TechForum Atlanta, March 2, 2012. (updated)
Virtual TechForum (Tech&Learning Magazine) - free online conference. May 19th and November 4, 2011.
Virtual FETC (free and online) Florida Educational Technology Conference
Next one is April 28th - http://fetc.org/Events/Virtual-Conference/Home.aspx
ISTE 2011 - Philadelphia, June 26-29, 2011. Not free, but an excellent conference.
International Society for Technology in Education. http://www.isteconference.org/2011/
Campus Technology Virtual Conference - FREE Conference & Expo
May 12, 2011 • 10:30 am – 6:00 pm ET - sponsored by Campus Technology Magazine
(free Journal for High Ed and Technology - applies to K-12 in many areas.)