"Technically you are underspined, however a lot of people I know shooting binaries are doing OK with underspined arrows. I am guessing the level nock travel helps with this. It is hard to tell though what would happen if you put fixed blade broadheads on the front. "

My thoughts. Slap a BH on them and see what happens. I've shot both and the 5575 do take on a right cuve. 3-4" of of the 7595 @ 30yrds. Didn't check any farther, but expect them to increase as the distance grows. Just get some 7595's to compare. Your going to need more anyways and you can use the 7595's regardless.