Here's the other 3 engines that METCA is doing in conjunction with the Lionel 2022 Volume 1 catalog. You can find more details here:
metca.org/store.html
The Norfolk Southern SD33ECO is very close to prototypically accurate since they're modified SD40-2 locos.
The neat thing about the Christmas loco is going to be the unique CANDY APPLE paint job. Also, the Christmas and the Halloween loco's are going to contain an extra sound feature accessible thru the Legacy Aux-3 command.