Yes, and even with that "upper class" PC for business, upgrading CPU and RAM in small steps always gave you a massive gain and new possibilities, and you could

Yes, and even with that "upper class" PC for business, upgrading CPU and RAM in small steps always gave you a massive gain and new possibilities, and you could keep doing that for a long long time. I'm not sure younger people who essentially grew up with supercomputers in their pocket can really feel what that meant. (No shade meant at all. I, in turn, grew up with many other things taken for granted the same way, before.)