hap: is there any chance we can at some point do the 'halftone dots' thing in the svg as well? I think there's a way to do it in inkscape, but not sure how contrived it is...
Those halftone patterns were my concern regarding this whole background vectoring process since the beginning, that's why I asked if it would be possible to combine vectored segments with physical scanned backdrops. I still think this would be the best and more accurate way to preserve these things in MAME.
I don't want to sound like a party p**per here, but despite having very good background vectors so far, the little nuances and imperfections of the original material are gone. And so the halftone patterns.
I asked right at the start if I should include the imperfections and was told no