agree that the blocky textures are good
'ppreciate the input peeps, going Nearest with a dash more scan fuzz. It’s ultimately more true to form and wouldn’t misrep the original tech. Helps w/keeping me from over experimenting on future games as well.
I’m very much expecting “that’s a big no-no”, but would you ever find this 
(granted, after removing the watery glitch debris) a presentable upscale?
Looks noticeably cleaner. And it seems like the framerate is smoothed out.