Agree, low profile is the way to go. A shotgun is nice but won't stop a whole crowd and is a bit awkward to carry; an armored car is unrealistic. A concealed handgun is always a good thing, but figure the odds of a good guy having one in NYC. Guys who don't give a **** about the law will have them but not the cubicle/office workers in Manhattan. Out here in SOCAL I won't have any firearms if I need to walk home due to where I work and the carry laws. If I'm home that issue goes away.