I think the point of PBT caps is because people don't like the feel for stock caps. I should say, they appreciate quality of pbt more than the cheap tinsy feel of the thin abs.
I thought I was going thoroughly insane by looking for a 6.5u PBT spacebar.
I would pay about $50 on average if it was:
1. A full keycap set.
2. PBT
3. Doubleshot translucent
TAKE MY MONEY!