Agreed, it is too bad there is no standardization between manufacturers which would make shaft comparisons a lot easier. Personally I use R flex irons and woods/hybrid but my driver says stiff but in reality seems somewhere between regular and firm.
I must admit to a multiple putter obsession, I have always been this way related to putters which I absolutely love.
I have had many putters over the years, I use them, sell them and buy others to replace them.
My current arsenal of 13 putters is as follows:
Cameron Kombi S (newest addition)
Byron Morgan 007X Mystic Pearl
Byron Morgan 006 Black Ox
Byron Morgan Bombora Proto
Machine M2A Converter
Yes Dawn Milled
Ping Anser 4 BeCu (oldest...
Nothing wrong with Vokeys, I have owned quite a few and still carry a limited edition 60M made by Bob. I have also owned a lot of Clevelands, still have 52° and 58° gunmetal DSG wedges as my backups. Currently I am using the MP T-10s by Mizuno, also fine wedges. There really is no "best", it comes down to what works for you and what you prefer.