Hi power X5. You really cant go wrong here.
Grip angle/ergonomics is universally praised as excellent
All steel construction will withstand any load you put in it. Keep in mind that the Nato 9mm is "said" to be similar to a hot +P load. So fire standard, +P, or even +P+ if you feel like it, and have no worries about damaging the gun.
Simplicity of takedown.
Even though they're not "that" expensive, its one of those handguns that no one can look down on you for owning, unlike the Norcs.
The history of the gun. Its the handgun of the commonwealth!
Only downside, if you can call it that is the mag disconnect. And one plus is that they (so far) have resisted the urge to put any dumb rails on it.