Mate of ours has a Kiwi and it is a mightily impressive unit. Good under sail, no problems in forward but reverse is an absolute revelation. That thing stops her in her tracks when you go reverse. Were I to ever replace our FlexOFold (with which I am quite happy btw) I'd definitely go Kiwi.
"Do you think God gets stoned? I think so... Look at the platypus." Robin Williams.