http://ffxiv.ariyala.com/UD9G Build CRT/DET... That way, you're literally 2 item swaps from BiS.

Talking of A8S BiS @ 600SS:
http://ffxiv.ariyala.com/U9K7

And what Dervy is opting for this patch:
http://ffxiv.ariyala.com/U9K0