The man whodesigned this bow and I were talking about this just last weekend, so it's fortuitous I saw your thread (although what he told me wouldn't have changed my answer, but it was comforting to hear it come from THE MAN

... He said if the strings and cables are the proper length, both brace and a-to-a SHOULD be spot-on. If "I" had to choose one over the other, it'd probably be brace and let the a-to-a fall where it may...
BUT, the MOST important thing is cam timing... ensuring your cams are in synch, either through utilizing a draw board or by pulling your bow down and eyeballing the cams while it's on a scale or some other apparatus (the way I do it...) is more important than either of the other two.