I've followed this thread with some interest. It seems to me that an important feature of computer, monitor, and graphics cards purchases is missing.
I believe one should attempt purchases that reflect more what demands on these devices are likely to be in the future than what they might be in the present. While the future is unknown, it seems very likely that demands for more memory, more sophisticated and faster processors will be the future as they have been in the past. High-end graphics cards are a requirement in the AI world we'll be living in well before you will want to retire today's computer purchase.
Even if you can afford a computer used exclusively for amateur radio you are likely to benefit from buying the? most powerful hardware you can afford rather than buying what's needed for using the software hams are using today.
K4KGG, Larry