I just built another VA68 with silent blacks I got from the Doyu GB. I wanted PCB mount and I prefer the feel of the Gateron yellows (spring weight/force curve), so I just did a bottom + spring swap. I found some of the Gateron bottoms were not silent (clack on downstroke). Out of the ~70 I swapped, ~10 were not good w/ the silent stems (So I needed 80 Gateron yellow).
Anyways, just an option if Cherry only offers Plate mounted and/or not the bottom you prefer, just find some Gateron switches and swap. The key part of the Silent Blacks is the stem anyways...
I'm in for 3-4 packs from NovelKeys. These are really nice, just have to find a way to silence the spacebar better.