Addt'l info on spreadsheet . . .
You might consider the number of rounds downrange on each and the results (score). I keep an excel spreadsheet on all my weapons and track their rounds fired, results at qualification, and any other issues with the weapon. I also list any modifications or improvements made to each. As you are in the early stages it may be too soon for that info. Good thing about keeping track of things with excel is that you can add and change values as needed. An organized good way to address your search. Good luck with it.