I would be in for compatibility sets for classics, like beige, black and dolch. For full sets I suggest to explore neutral colors that may match existing sets, allowing GB to reach MOQ easily, letting calls for exotic color combos for later.
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i totally agree. there is no point in talking down the obvious demand for classic sets and then watch how the exotic choices fail to reach the moq instead.
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I agree here. In addition to the "purple 2" set, make a simple original cherry-beige (and later maybe a cherry-black) modifier set that includes Moogle and Tsangan and maybe a few blanks, and you will meet huge demand due to all these vintage DS Cherry boards floating around. This is
the one most important thing that I'd like to see coming out of GMK of all keycap makers. I don't like to see all those third-party moogle sets that don't fit the other keys any more. You could say this is a historical chance for all of us key cap cannibals. For full sets, you can always got to SP or someone else, but this is really something that only GMK can make.
I agree with Ivan that the "purple part 2" set should be tried, but to me it's quite improbable that 400 can be reached on this.
For a first full set I'd really like to see new, original colors instead of the always-same Dolchs, Skidatas etc. But they should be colors that everyone still likes to see one year later. Go for creative, but classy.
Something that fits the purple mods would be a good start.