ACC cap for A8S is 699 frontal, not the 710 or w/e it says in the first post. It hasn't been updated lately.

I would personally aim for:

http://ffxiv.ariyala.com/U91N

You drop SKS to a nicer ~600 value while bolstering Det, Crit, and Strength. You also maintain necessary Accuracy. All I changed was the two Det +6 melds to Crit +9 and swapped your boots to the Slipstream with 1 Acc IV and 1 Crit IV melded in.