The first think I'd like to show you is the comparison between 2009 and 2015.
2009 - -
Structues? No. DCC. You can see it in the power pack and far less switches on the control panel. Yes, there is another turnout control on the panel to the left and a switch for DCC controller set up on the main panel to the right. Oh, and the meters are seldom used now.
Photos by Roger Hensley