The two versions are so different it's hard for me to compare them.
MSO was pretty special with it's slower arrangement and the full orchestra backing, but the current back to basics guts and glory approach is equally thrilling.
It's like (pardon the similie) trying to decide if a slow romantic bout of love making is better or worse than a hard fast f*ck
It's what you're in the mood for at the time
Bat, to me, is the best song ever written, and in all it's incantations and versions it's unbeatable.