Androsta-3,5-diene-7,17-dione does nothing for me from an AI standpoint and this was also found from labs several members ran in the anabolics forums. I've yet to see any evidence that it actually works as an AI. If anyone posted labs showing it did, then I'd be more inclined, but my own labs showed no change. Cortisol control I believe, as it did tend to lean me out and people report that.
I personally think you'd be fine running both, but that is your call.