It is very stressful moment to travel to new country. Now you have COE and visa granted. You need to make sure what to take with you. It depends on which States or Territories you are planning to come. Please bring clothes as you required as there is weight limit for baggage in airlines.
You must make sure that you have airplane ticket and passport handy as it is important documents to travel.
You may want to hold parties among your friends that you are going to Australia to make your career better.
More information can be found in Link below.