As seen in the Bonza auction, the only real assets had been computer equipment, staff uniforms, some whiteboards, and a whole bunch of iPads.
Rex should have some stairs and chocks as they did in-house some ground ops. I am sure Virgin have already got its hands on the spare parts inventory.
I don’t know the status on the simulator? Last I heard it was funded by the state. Sell it off and returns the funds to the taxpayer.