Bit pricey for me, but I'm happy enough in economy to save my dollars.
Out of curiosity I had a quick look at a couple of VA's partners.
Delta: SYD-JFK, J, return, mid-May, ~$8.8k (all business)
Hawaiian: SYD-JFK, J, return, mid-May, ~$6.1k (all business)
The $13k price appeared to be...