Then there must be different levels of Gaui battery. The ones I got were absolutely horrible.
At any rate, I'd wager well over 90% of people who buy the 200, would be better served by a 3S setup. When I ran the stock 200V1 on 3S, it had AMPLE power (at like 70% throttle) to carry the extra weight. It felt more solid in the wind, and it did crazy pitch pumps and tic tocs.
Bob, if you are still interested, try 3s with a lower throttle curve. It'll cure the mush, and still be "stock"

Be careful with the woodies though, I blew up the 250 using the Gaui woodies, and the 200 on 3s can spin way faster than the 250.