More generally, what is the SierraCircuits equivalent of the old laser or the new machine? I would understand if you (or someone else) end up doing this as a separate blog post instead of a reply.
What is fine once per board, but a problem 20 times/board? (variable data, like date or serial number?)
What things do you handle easily, where a competitor might balk? (Controlled Depth drilling?)
What is something helpful that isn’t explicit in the order forms, like Steve Carney’s suggestion Drill holes in boards that 20mil holes are faster than smaller or larger drills?