this is what i thought as well.
i just ordered the other carbon parts and some 2200mah lipos. For now i tried a couple of thinks. the best balancing i have, is mounting the lipo, like how they are mounted on the Trex. feels much better. Balancing is almost perfect without extra weight. i am really asking my self, if this is not a better place for the battery, because its more close to the rotor/swahplate and almost the same height like the tail. curios to know how the difference will be with the carbon tail.