2012 model is fine, and no real difference to a 2009 model as far as I know. The only difference would be when they introduced the factory difflock.

Not sure if I would want to pay top dollar for a vehicle from the Pilbara .... it may have had a fairly hard life. I also wouldn't want a hole in the roof, but you may think it is perfect to wire up lights.

If it checks out OK, and is cheap enough, then it may be alright, but there are heaps around to choose from - especially in Melbourne.