FITASC, I feel I should just bring this to your attention because it was part of my initial post:
"My target plan would initially be the head and face of any intruder, thus avoiding the need to be concerned about clothing penetration,....."
Back to Dawg23 on post #15, who said: "You're apparently more interested in defending your (poor) choice of guns than in listening to some excellent advice that's been offered."
The entire point of my post was NOT for advice on what to use. It was for an evaluation of the different shot sizes and loads. My last line: "So, YOU be the judge. Which .410 cartridge would you choose in this circumstance if you were going to do what I plan?