I have owned all the triggers listed.
Just put a TT primary on a 700 sps .223. The TT I like better, crisp clean break no creep and so far 200+ shots no over travel.
For me the best trigger I ever used Canjar.
That being said a well tuned Walker trigger is hard to beat. I have two tuned Walker triggers on target rifles, that are just lights out shooter's, break clean no creep, no over travel.
Having 15+ years and 1000's of rounds shooting time behind the Walker, I could be prejudice, or just more familiar, comfortable with them.
Just my experience.
arky65