well its early days yet, as i just bought my first li-po pack. its only a starter pack 3200mah @ 7.4v just a cheap test pack. i have been fiddling with the punch control also. my gradual throttle inputs were a bit disappointing for me at first but then i floored it from starting throttle and the thing flipped! lesson to self, dont do that too often. this thing is going to be insane with a 11.1v and upwards in it. the wait was well worth it. now the real fun begins.