If its complete and drivable/up for the trip just get a permit from VicRoads and drive it back. By the time you shop around for a good price and professional service you will have it sittin in ya driveway ready to play with. Your looking around the $1000 mark if its a goer. Non goers not many touch and those that do stuff around in my recent experience. Try OzMotortransport they were good in the end it was so well strapped down it would have survived a trip around Oz and nothing damaged or missing.