Around here we call them Charles Maybe shotguns.
Some people have them and swear by them and others have had them but wouldn't give you a nickel for another one.
I have no personal experience with the autos but have shot a 20ga. pump. It was a sweet feeling gun and the action was fairly smooth but several of us shot it and all of us seemed to hit low. It only stayed at the house one weekend and got swapped for something else.
Personally, I got a used but in mint. condition 20ga. 870 pump for $175 last year and I wouldn't trade it for nothing.