i am facing that same problem, except we dont march cymbals. i decided after this year of having 3 bass 3 snare and one quint, that next year we are going to do 4 bass 2 snare and a quint. of course that will be an easy move for us because of 3 of them on the line graduating...which means i have a bunch of rookies coming up..... Help me God! lol!

honestly i think you should roll with 4 basses, 4 snares, and 1 quint.

especially with a small line you don't really need quints, especially if you tighten the heads, THEY ARE LOUD!...

try considering rolling with 2 or 3 cymbals and adding an additional bass.