I've had great experiences with AC, you can get some folks that are not helpful but some that are amazing. Use the ANA award travel booking tool on their website to see what is available to make sure that AC finds everything you do (they're usually pretty adept at it). On my current itin I just booked in C, I have a flight on NZ (yes!), we have two stop overs and a point of turn-around, all for 80k miles (some from MR some from SPG)... pretty cool.