The younger generation missed this. Oss, as you know, the diesel/electrics are much more powerful and less complicated but it's a little like comparing a GW to a Valk. The Valk is more interesting.
A picture of a steam loco doesn't do it justice. The size and smells (hot grease, wet steam, cinders) don't come across. Songs have been written about the steamers whistles, a lonesome sound echoing off the New River Gorge (not a direct quote, can't remember the words or the song)

Art; Yes, those 4/8/8/4's were the top horsepower producers in the era of steam.