Thanks to friend Chris for a link to an AUGI page for updates to ACA back to version 2010
http://www.augi.com/library/heads-up-october-2012#AutoCADArchitecture
Contains the very welcome link to ACA2013 Service Pack 1 along with other updates to ACA, Autocad, Civil, Revit, Inventor and 3DSMax.
Some info on ACA SP1 from David Koch.