Balcony taping...
in my experience, XY captures the best "non room" recordings. Balconies can go either way...some sound shitty, distant and boomy. Still, others can have SWEET acoustics. Depends on the venue, PA, engineer..etc.
From the descriptions read above, id' run XY hypers at 90deg and aim for dead center between the stacks. Dont worry about that center speaker on the ceiling, you'll get penty of that no matter what.
DIN would be my 2nd choice (hypers or cards).
Try it both ways, one for each set. Then you'll really know for sure next time.
that's what i'd do.
In a balcony situation, you are all ready high up so you needn't worry about height of the mics. I'd just hold them above the head of the guy in front of you and you'll be fine. maybe someone will swap seats w/you from the first row mezz. That will make life easy.