Whoever you hire from make sure you are allowed to take the vehicle along the roads you plan to travel. All companies will have some restrictions (eg Canning Stock Route

) but some are quite picky about where you can go, especially in the 'softer' models.
To make the trip special spend 6 months doing it

. Failing that I always reckon you should see fewer things well than everything in a blur. So, what sort of things do you like, how long have you got and how much do you like driving?