I have the beginner version of the A10 warthog, we blew up 1 of the old motors and searching for a new one, we bought some brushless motors. Is it worth it to buy old new motors or keep the brushless we have now and buy a $120.00 speed controller (Note we couldent get it in the sky with the old ones[probably because we didnt break them in]and we need to buy two speed controllers $240.00 :o.)