Honestly, I really want to make the switch to opposed duels for my next campaign, because static TNs really makes it hard for me to regularly challenge my players and also makes certain rules less fun in my opinion.(terrifying for example)
I've been really hesitant to pull the trigger on this because I'm still new enough that I don't fully grasp how to balance encounters in this game as it is, but as regular Malifaux player it might actually be easier for me to grasp the math of opposed flips. I dunno.