Oh right, I realise now how placid the photo looks. I am astounded I manager to get so few people in it, between trains I guess....there were a lot of people!
When we got into Sydney out choices were: $769 with a two night minimum, or $7k and $8.5k for a single night. Train station wasn't a hard choice.
We moved our flight forward half a day and daylight savings also gave us an hour!