Get a tent you can stand up in
Get a Sleeping Bag that has room in it and a Zip that's 2 thirds round so you can unzip it when its hot or just throw it over you
Get some kind of mattress, me I have always used Air Beds
Get a pillow or two. Theirs heaps around on E bay for nicks that are inflatable
Get cooking gear that works and the best I have had and still have is the Whisper-lite stuff as Gas in cold weather don't work
Get a decent tank Bag. One that opens from the top so you can store goodies in to munch on the way
Get a couple of lights. A headlamp is great when you need your hands and an LED torch that's powerful and a small LED for the tent. Store the small LED inside the tent bag with the tent
Get decent tent pegs
Grab a decent knife/machete and a hammer. Just because
Get yourself a Stainless thermos, great for the trip and good for the stay
Get one of them fold up canvas/Plastic buckets
Get yourself some good Occy Straps. Them ones that are about an inch in the old language and flat. You get em from Kmart in the car section, and get em long. You can wrap em around a few timers and they stretch
Now that's a start