I saw these two boxcars on a siding in Knoxville, TN. I couldn't get any closer (fences and other obstructions) but they caught my attention. Might make a good prototype to model after on a layout, perhaps with a wood platform and stairway for easy access.
-Bob
Life is what happens while you are making other plans!
Looks like they are CSX MOW cars now, and are capable of moving, so adding stationary platforms and stairs would not be in the mix...