Fantastic looking layout. Love the pictures!
Kato is doing the Big Boy? I saw the Athearn announcement, but didn't see one from Kato.
Late 70s? The rainbow era was really over (sadly) by the mid-70s. But you're right, they were interesting trains.
Good luck getting it out of that land-locked location.
Check the Trains magazine Facebook page. They've mentioned that they will be streaming.
Excellent use of your time! Did you paint those or are they manufactured in those colors?
I heartily recommend doing the trip to Summerville. It's just like one of the good old Southern Railway fantrips from the 70s. Even better - lunch...