Thanks for all the info, its really helpful.
As it is intended for kids to use it, some careful consideration is needed to avoid getting something that no one will use.
I am also looking to get into wakeboarding and ahead of all this i have bought and had put on one of turboswingshttp://www.turboswing.nl/
. It is a fantastic idea, avoiding the need for a pole, which is difficult in a rib and in any boat can pull the boat to one side when turning under strain. This unit all stainless steel, bolts to the engine mountings and gives the needed height for a skier or board take off.