The basic problem is that each of these cars is home grown and started as some other form of car. The catalogue clearly states this is a model of the Conrail car. In that form it is reasonably accurate, as a Dark Future CSX car it is wrong. The car has been modified at least twice in that period. Nowhere does it state road specific detailing. Maybe Lionel will jump in and answer as to how much if at all the car will change between roadnames. There are many variables, size and placement of windows on the sides, The placement and number of lights on the rear,(some above and below the picture window), the marker lights, the provision for the roll up screen if it has it, etc. With modern slide tooling some of this may be possible without incurring too most cost. Not only that, the specific cars have been modified over time, so even if they try, depending on what variation of your specific car is, it may not be produced as that version.
Having said all of this, I'm in. Unless you go brass I doubt your going to see anybody else jump in and produce something similar. Because it is plastic I plan on modifying it if it isn't close enough. My only request of Lionel would be to put the 6 wheel trucks from their full dome car on the NS version. It is the only prototype of the bunch riding on 6 wheel trucks. I realize they wouldn't be the correct trucks but a lot closer the the 4 wheel ones. I'm not too big on the camera, but we'll see. Enough for now.
Steve