Anyone else considering this? My poor car is sick at the minute

and I so I'm hoping for a lift if anyone is going over? Payment in the form of coffee and muesli bars. How can you resist! This is a cheap trip if you camp and byo food.
The two dam release rivers are
The Garry (III) - a fun play run (though it's only 2km long)
The Moriston (IV) - a fun river with plenty of impressive drops