HeathRThings are looking really good in NZ this year. Parks should be at their best in August. Check out Cardrona. They have coaching available if you want it. A 22" and 18' pipe, 4 parks plus the big air jump.
Its a snowboarder but here is a top to bottom run from a little while ago. A bunch of new stuff has been added in the big line since then.
.lencon22" pipe? Now that's a camp for me