Thanks, didn't know I could mix comp upgrades with airbucks upgrades!
Will look at the SQ route as well. I see I can do AKL-TPE for the same pts as AKL-HKG so just need to figure out if doing 2 one way routes (with CX TPE-HKG) is cheaper than AKL-HKG rtn on SQ and then CX HKG-TPE rtn.