As someone who has gone to TFIF a bunch (and headed there tonight):
The biggest whiff, by leaps and bounds, is the "student deck." It's functionally useless, an eyesore to boot, and it just screams that this place was thrown together somewhat haphazardly.
This kills me as a band alumnus, and current parent, but i would think a simple, and cheap, fix would be to incorporate a small riser on that deck, for the band. 3 or 4 rows, and these things aren't even custom - normally made for stages.
Good: it would open behind the net seating for students. It would make the band more audable to more of the rink (not that it's a problem now). It puts currently useless space to some degree of use.
Bad: moves the band away from the action (i.e. as spectators).