A wild 30 years of steam locomotive design evolution between these two... the only thing we are missing now to complete the Union Pacific's articulated development history is a Bull Moose.
I've been working on updating my stuff so the smoke works in DCC mode in TRS19. The SP 2-8-2s, WVRR 4-8-4s, and LV&T 4-6-0s are fully updated; the OC&SE 2-8-2s need a slight script modification, but then they'll be ready. And I've been putting the RGW and WVRR 4-6-0s through Substance Painter: