DC is really no worse than most large urban areas if you rely on the best deterrents against being a victim of violent crime....an awareness of your surroundings and avoiding high crime areas. The repeal of the gun law wont change how I go about my daily life...I wont be buying a handgun.
My only concern is living down the street from Dick Cheney and the possibility that he might go hunting on the Naval Observatory grounds where he lives.
And I dont think the Appeals Court ruling will be very precident setting. The DC law was far more restrictive than most....but a Supreme Court second amendment case would certainly be interesting!