You will most likely get a lot of opinions on this one. First off, make sure that the ammo will run in your pistol. There are many fine ammo choices Federal Hydrashocks, Speer Gold Dot, Cor-Bon, just to name a few.
I'd start with some inexpensive ammo to break-in your new pistol. This process can take a few hundred rounds. Then try some of the defensive stuff. Just my 2c.
Good luck