I'm in a similar boat, and was actually already planning on posting the following after today's function test range trip:
Based on information and advice in this and related threads, my deep dive into 1911s has gone much more smoothly than it would have otherwise. Fortunately, my EVO KC9 didn't need any adjustments besides new grips, but the two Kimbers I've had for a while needed some work in order to serve as training guns and backups. Both have been fine as range toys, but some changes were in order for any other uses.
The stainless Team Match II needed its grip safety sensitized, and after that the Swartz safety needed to be tuned. I had Heinie install the fixed rear on this one, but I installed the standard length mag release and did the tuning on the safeties. Fortunately, all its fixed extractor needed to pass the 10-8 test with flying colors was an extra power spring from Wolff.
ETA - I almost forgot, it also need the new plunger tube discussed upthread.
The blued Gold Match II needed the same Swartz safety tuning. I also replaced its plastic MSH with a Wilson, added the excellent Herrett grips recommended by multiple users here, installed the Heinie rear myself, and installed a short trigger from Wilson (it's primarily my wife's gun, and she really needed a short trigger). I've also tuned its extractor since it failed the 10-8 test today, pending confirmation that I got it right next time I'm at the range.
Simple as they are, most of those tasks would've been beyond me without advice from this thread and resources recommended here. Even things I was technically capable of, like replacing the springs and switching to government recoil spring setups, were still easier due to this thread. So likewise, thanks all for the help. Most PF threads are full of great info, but this one in particular is a gold mine.