UHF is definitely a must!!!Snorkel isnt needed if you dont intend to do any deep river crossing.Air compressor is required if you in the bush and hours away from the nearest town and you have a slow puncture. Ditto for snatch straps, the item is so small that it takes little space to store. Roof rack is only required if you ran out of space to store stuff inside the car, otherwise its a good fuel wasting feature if unused. You dont really need raised height for most outback adventure, for a 2005 you really need to inspect the structs and springs to make sure they are in good condition to take the punishment from the corrugations.