Unfortunately, I was not invited to the media briefing as I live in Melbourne but I was informed this news from a journalist who did attend the briefing.
I wish I could see the new NZ long haul product in real life but do look forward to flying them next year or if not earlier, I will just try Virgin Atlantic's new Upper Class as they are identical anyway.
No, I have no affiliation to the previous user. Yes, I do fly SIA and belong to their PPS Club as a Solitaire member.