UPDATE: 2:20pm MST 8/18/2009
now live at:
http://www.microsoft.com/downloads/details.aspx?FamilyID=c6d27da1-ba2c-4570-a491-c0d7b39ede8b&displaylang=en
It is now public and can be downloaded from the following URL:
Ø Download Microsoft Exchange Server 2010 RC today
