Believe it or not, we've actually had home invasions within fifty miles of where I live. Guess what? There are usually more than one guy involved in lots of predatory crimes. If you guys think that "10 rounds", etc., etc., are enough, then you must not have any problems with the mag ban.
I personally don't think that you can have too many rounds, if your life and/or the lives of family members/friends are at stake.
That 5-shot .454 would be just peachy, if I happened to be attacked by a deer or bear, but if I'm accosted by a covey of DemocRATs, I'd just as soon have a few more rounds at my disposal.