Well, I dug into the trip report archives of my SQ SIN-AKL trip report. This was pre-Spacebeds, pre-SQuare plates in 2001. Needless to say, it was "never again SQ" and all subsequent trips between SIN and NZ were either on NZ or QF C class.
http://www.flyertalk.com/pasttalk/ft...ML/002414.html
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Qantas - Air New Zealand