One thing this forum has taught me is that home defence shotguns tends to be another way of saying "unfired shotguns I prance around with in my jockey shorts in the lounge"
True. Simply owning a weapon does not necessarily mean one is then prepared for any HD encounter.
Then again, some of us actually fire (and are familiar with) our HD weapon of choice.
Anyway...to Mr.Warp-
The "typical" HD shotgun, IMHO, usually will sport a barrel ranging from 18" to 20" (either Cylinder bore or Improved Cylinder). Anything shorter and you may have to deal "special" licensing and/or possible legality issues (depending on your state laws). Also, a simple front bead sight (or possibly a tritium equipped bead sight) is nice for HD as well. In terms of brand, well thats up to you. Generally speaking, it seems that Mossberg and Remington shotguns are the most popular when considering such needs as HD.
Now, if you want to both hunt and protect yourself and your family, I would consider owning two barrels (this will somewhat depend on which brand/model of shotgun you choose); one for hunting, one for HD. Either that or just buy two guns....
Also as a side question, my fiancee (Erika) is very nervious with a gun in her own hands. She has only shot rifles as a kid and doesn't want something for herself that is too noisy and easy for her to handle. A handgun is ideal and she is going to go to the shoot range with me (once we fine one for her) to learn how to handle it if she ever had to (God willing none of us would have to).
Any thoughts?
Since starting out with a shotgun may be out of the question (to her), I might think of a .38 revolver or possibly a 9mm semi-auto for starters. Of course, most weapons of decent caliber will be "noisy" and have a bit of kick, but these two probably wont nearly as much so as say, a .357 Magnum (which I happen to love).
Point is...just try introducing your wife to various handgun "types" (revolvers, semi-automatics) and their respective calibers. Most gun ranges should have the option of renting various types of weapons. Then, let her take it from there and decide what works best for her. Certainly try to offer a "polite" education to her regarding firearms, to the best of your current ability, but dont press things too much or she just may no longer consider this stuff "fun."
Then, later on (as I did with my wife), you can introduce her to the world of the shotguns.
BTW- Both of these topics have been covered numerous times. Therefore, you should be able to find a wealth of knowledge and information (and yes, many more opinions) regarding these topics. Take care.....