If you have an look at
http://www.airnewzealand.co.nz/seat-map-boeing-777-300 the seats in-green on this map are fitted with the leg-reset. Personally I go with as forward as possible, aisle is very narrow so less people to pass you the better
Here's what I'm getting for AKL-LAX, all the purples are $39NZD each.