I tend to use MgT1 damage style, as it is the version I run most often, and while similar to the CT/T4 style, it has some distinct differences from them.
Such as: It takes two attributes being zeroed to render you unconscious instead of just one, with one exception: If the first hit in combat zeros your End (and in that in MgT1, your End is always the first attribute hit), then your unconscious (unless you are using the optional rule for random initial damage, in which case you go unconscious if the first hit Zeros the attribute hit) .
I will have to admit though, more and more often, I am considering reverting to MTs damage system.
~Cryton
Edit: I chose the "Other" option as MgT1s and MgT2 are curiously absent from the list of choices.