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Sounds good, I'll try it. I agree polishing will give a smoother finish but the micromesh comes very close with the 12000 grit.

I found some info, so all is good. Micromesh 1500 is 30microns and it progresses to 2 microns for 12000 grit. I don't know about the polish though, they all seem to be different based on brand.
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I'm sanding up some black canvas micarta with micromesh, and I've gone up to the 12000 grit. It puts a nice shine to it and gets it fairly black,
but there is still some "grayish" spots. I tried...