Just got back from the range, and it works flawlessly.
Trigger is just as long, but somewhat lighter, and a lot smoother.
It has sort of knee in the trigger pressure - a fairly light pull until just before release, then a very short pull to fire.
What with the new grip, it's more accurate, and much more pleasant to shoot.
I'll take another run down to the range, to fire another 100 rounds or so, just to make sure it's reliable, before I return to using it as my carry piece.
But to return to my original point - make sure you have a backup piece. Something to use when you're primary piece is out of action.