LEED 2009 is currently in the Comment Process. If the process goes as planned , the final version of LEED 2009 will be presented at the GreenBuild Conference and Expo in Boston November 19-21 2008 and launched in January 2009.

Curious about the changes?

See the
LEED 2009 Vision & Executive Summary

See and listen to a 26minutes long presentation
LEED 2009 Webcast Archives.

(from the USGBC website)