You, sir, are a wonderful enabler. Or is that horrible? I've now had the little beast apart three times, each time going a bit further. This last takedown involved the 1/4" drill bit though the return spring/guard latch channel and polishing contact surfaces a bit with my Sharpmaker fine stone.
Ordered a Wilson Combat spring kit yesterday from Midway.
Now I'm really pondering shim installation.
Oh, the joys of steel working with steel....
It is a great resource, that's why I wasn't shy about sharing.
It is easy to get a sp101/gp100 to surpass any s&w (standard, not necessarily PC models) trigger with just a couple hours work.