Heh, everything is better on Tubes whether it is guitar amps or gaming monitors? :-) I can pretty much assure you that with a 240Hz refresh rate 4K LCD monitor it will look better than your CRT :-) But it is perfectly valid to say "What is the best experience I can get for $X?" and find that CRT solutions out perform LCD solutions at various price points. That said, I suspect it is less about the "superiority" of the…
And in the old old days you could skip the scanning and just go draw what you wanted where you wanted with vector graphics. (as long as there weren't too many "what"s)
There were even tricks like defocusing the beam.
:)