If it's the drilling pattern you're concerned with, you can always plug and redrill according to your own specs.
Usually though, it isn't too hard to find something very close to what I am looking to do, and close to the type of ball I'm looking for.
For example, a few years ago I wanted to try the Activator coverstock from Brunswick, so I started looking around. I liked pin low drillings, and pretty soon I found an Inferno (Activator cover) with a pin down drilling and specs very close to mine. I gave $40 for the ball, including shipping.
I plugged the thumb and fingers. The only reason I plugged the fingers was to allow for a smooth redrilling of the holes for inserts ( it had none previously). After redrilling, I began to shoot BIG numbers with it, and eventually shot the only 800 series I've ever had.
If you look around and be patient, you can often find exactly what you're looking for at a significant savings, if you're willing to buy used.
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