Just in case anyone's interested, I heard back from them about this just now:
"The overhaul has been delayed, and the old pictures had been up for some time. We decided to remove them until we have something new to show you. Delays are not unusual in projects of this size and scope, and we hope to have a working prototype in our yards in 2014. As soon as we have a tested, working car in the Lindenwold yard, we will post photographs once again. We also will let you know when the new cars are available for public inspection."