<A target="_blank" href="http://www.idonotes.com/IdoNotes/IdoNotes.nsf/dx/webcast-whats-new-in-sametime-8.5.2-on-may-18th.htm">Chris Miller says you can register now for this webcast on May 18</A> covering enhancements, fixes, and additions found in Sametime 8.5.2.