I'm of the opinion the 'world' may very well be their oyster.
Having gone to the trouble of importing the micro-jet hardware, how many city pairs are there for the taking. You'd have to smack the turbo-prop opposition provided ground & pax services are of a very high quality.
Why not Syd to -
Broken Hill?
Tamworth?
Bundaberg?
Gladstone?
Rockhampton?
Toowoomba?
Essendon?
Others?