Well..... folk are not doing exactly what you would like them to do.... it is an interesting thread in any case. Y'know....I just went back and looked.... if the instruction was to pick one caliber... "one from each group..... which calibers would you choose" .... (not which chambering), of the 77 responses, there are only three (23, 32. 39) wherein the writers chose "calibers".
Probably have too much time on my hands. Well..gotta do some reloading. Match coming up. Gonna need a couple hundred calibers to practice with and more for the match.
Pete