Here's the AFT with the MTH GS4 and the Lionel TMCC GS2 ...... then the new Legacy GS4 under the Sunset model. I did a lot of detail painting on the Sunset version, which I will do on the new Legacy version as well.
WOW. I've seen (and ridden behind) 4449 in the 2nd through 4th versions of your stack. You still need a GS-4 with the 1941 markings, though!