I also have an older PT111 - circa 1999. Trigger could be better, but that is my only complaint. It is still my carry weapon.
The only trouble I have had out of it was when I tried to run some steel cased ammo through it. Not a good experience. Feeding jams, extraction jams, and then a broken extractor; however, Taurus' lifetime warranty covered the repair without any problem. Leave the steel cased ammo for the eastern block weapons.