I'm in the same boat. My dream custom - at least for the moment - is spread between all of my other Alembics. I'd love to have the SC's short scale, the Distillate's bridge position for short reach to the first fret, the lightness and warmth from my koa-bodied Spoilers, and the Persuader's single AXY for simplicity. All of that, plus buttery fretless action like my favorite Spoiler.
For now, I'm happy rotating and getting each dream in small doses!