Great looking guns you have there - and good choice to snag the 581 while you could. As you say, there aren't a lot of them out there.
Glad to see you are having fun with your S&Ws. I have never thought of a fondness for 1911s in any way impairing my equal fondness for S&W double-action revolvers. I always considered the two just kind of go together - even compliment each other!