9 mm gun, what to get?

I have found these websites useful.

http://www.firearmstactical.com/

http://ammo.ar15.com/project/Self_Defense_Ammo_FAQ/index.htm#SHOTGUN AMMUNITION

Here is a useful website. It has a insurance policy to help cover lawyer fees while the investigation is on going if you have used your gun in a self defense manner. Lawyer fees can add up in no time. It's called The Self-defense Shield.

https://www.usconcealedcarry.com/

x2 - good info here. Here are the charts on a couple "defensive" rounds. The 124 gr +p hollow point 9mm's have a good reputation.

The most important part of using a handgun for self defense is where you place your shot.

Here is a good place for cheap handgun ammo:
www.3gunammo.com
The .40 isn't all that much more expensive when buying off the internet. But, the 9mm is definitely the cheapest anywhere you go.

Here's a couple charts for different hollow points. I'll be carrying HST's.