head heavy: Arc10>BS12
shift stiffness: Arc10>BS12
Smash: arc10 = bs12 .Initially I cant get power out from BS12 but eventually adapted to it when my arc10 was broken.
defense: BS12>ARC10. definitely feel faster when defending smash with BS12
I think my case is a good example to say that one racquet is not better than the other. I started loving my arc10 compared to all the racquets i have. But because I broke arc10 i have to switch and get used to BS12. As time pass by I can do all the shots i used to do with arc10 if not better- my backhand clear short is definitely better with BS12.