For those who just can't wait for the data to be cleaned up and finalized, our Lotusphere 2005 Sessions db is available at http://www.GeniiSoft.com/showcase.nsf/LS2005_SessionsDB
in Pre-Build A. As it says on the page:
This build is raw, has messy data still to be resolved, and lacks most of the new features such as bloggers, speakers as separate documents, etc., but it is here.
Copyright © 2004 Genii Software Ltd.