Pushblock, occasional armor on b3, Sky Alert on character specific combos off of light em up into queens gambit slide in the corner, and savage blast.
Its situational. Sometimes you need meter to get people off you or to punish with armor sometimes you need it to guarantee your runaway and some combos I use require it for certain cast. If my only big combo involves super IMO I'm doing it wrong, because it means I have to work that much harder the rest of the match since I'll need more combos to finish things. If I gotta blow meter to get longer combos and stay meter positive for defensive options if I get pressured then I will.
Depends on how much health they got left really. If their low I'll blow it if they have a lot I'll save it up to stay meter positive for defense and long combos.