After fairly extensive research, I'm almost ready to purchase my first handgun. The purpose being protection. I've shot many guns over the years but never owned one that my life might depend on. I'm going with a 9mm striker-fire first, then going with, probably, a .40 this spring that will ultimately be on my side or in the night stand at all times. The 9mm will be used to kinda tune my shooting skills until then (range time, plinking, possibly peacocks in the back yard, that sorta thing) I've pretty much narrowed it down to the SR9, M&P, or XD. The SR9 seems to be more cost efficient, slimmer, 18 rnds, assuming the mag safety can be removed, should be a perect fit for its purpose. Any thoughts??