Kadmos plus 2
Three sizes of ball for the .44 as opposed to only one easily available for the .36. Also I think shooting a .44 is more emotionally rewarding than a .36. I think the .36 is more of a scientist's caliber.
Of course,I have no explanation for the last statement. Just a feeling.
My reading of history convinces me that most bad government results from too much government. Thomas Jefferson