After way more trouble than it should have been the defect has finally been cleared. In the end I ended up doing the following:
#Ignition key is removable while in run position = Picked up another barrel from a Camry at a wrecker.
#Need new engine mounts = Ordered polyurethane ones from Twos-R-Us, and they're lovely!
#Steering wheel missing ADR approval = Picked up cheapest possible wheel at Supercheap Auto
#Rose jointed tie rods = After searching over half the globe for a healthy set I eventually had Rickos Road and Race fabricate new ends and bushings
#Front springs cut/loose = Also surprisingly hard to find. Found a stock set from Corolla Spares in NSW. This made the car about 2cm to high in the front, nothing a spare wheel and 4 brake rotors in the frunk couldn't resolve though. :)
Now I'll just have to put all the goodies back on so I'm ready for Mallala on the 11th.