That's right! It became available for MSDN subscribers to download yesterday afternoon. If you are going to be upgrading from previous a previous version, make sure you read Rob Caron's posts about how to do it:
http://blogs.msdn.com/robcaron/archive/2006/02/07/526353.aspxhttp://blogs.msdn.com/robcaron/archive/2006/02/07/527022.aspx