First, I am a newbie to shotguns, so please go easy. There are so many choices, what should I be looking for? Here are some I found... 870 Express Tactical 887 Nitro Mag Tactical Mossberg 500/590 What do you guys think? I have 2 pistols and 0 long arms. As much as I'd like to think that my 17 or 32 could do the job(home defense), I'd rather not leave it to chance.