road-wise, sounds like a recipe for a gravel bike, with low pressure 32's. nothing better than riding out your front door imo. the roads here in Maine are shyt' at best
don't think they will be able to add too many more cogs to a cassette. The money will be had by a young mechanics who can program the new classified powershift hub.
https://www.classified-cycling.cc/collections/components
as far as old components/retro • hit up ebay • buy now • and buy often •...