if u wana see the cream of aussie cars...motorex is the way to go..basically the nats top 60 without the crowds, bogans, etc etc etc. also get to see a whole heap of other kinds of cars there...jap cars, hot rods, aand the best aussie cars like fiveten, boosted etc etc etc
really really good weekend away.
other than that autosalon is good...but the standard isn't as high.