Unless you've got money to burn, you probably won't be feeding any pistol a steady diet of +P's. Running a few hundred through to check for function for a carry gun perhaps, but not an exclusive diet.
a) other than the Winchester 9mm NATO, you'll be spending quite a bit more for +P ammo.
b) you'll wear out parts (and eventually the gun) faster
c) unless you're in a defensive situation, it's kind of a waste. You don't need +P for punching paper and if you're thinking of hunting with it, you might consider moving up
If you think you really need the extra oomph, think about going to a .357 Sig.