Just out of curiosity, how are you able to formulate comments/observations with such confidence about how deep or shallow the rule sets may be with such little time spread out across so many different machines?

Perhaps I am just slower on the uptake than many when it comes to these machines (certainly possible), but learning the rules for new pins is not exactly easy . . . in fact, I owned my DW for (literally) a decade before I learned all the rules for it and even then I only learned them all from reading them on the internet.

LOL, looks like we were thinking the exact same thing. There are known knows, known unknowns, and unknown unknowns. If you are playing so many different pins in the same day . . . you don't know what you don't know about all the machines . . .