Thought I'd pop in, we just did a 6 week, 10,000km caravaning trip over to WA and back. It was AWESOME!!! All three kids travelled fantastically and we seriously had the time of our lives .

Sorry if anything I suggest has already been said, I've only skim read this thread! One of the best books you can buy if you are doing a big trip is "Camps Australia Wide 5". It lists most campsites (and roadside rest-stops that you can camp at) in Australia that are either free or cost no more than $22. It is so comprehensive and we found it invaluable. Also the RACV tourist park guide listed most caravan parks in Australia, so we never had trouble finding places to camp. I'm sure each state has an equivalent to the RACV guide.

We got through the long drives over the Nullarbor with a DVD player for the car (a must have LOL) and lots of little activites and toys for the kids. I had a couple of small tubs with things like sticky tape, post it notes, paper, crayons, stickers, etc. It kept the older two busy for hours.

I blogged our 6 week trip and added heaps of photos so that we can always look back and remember all the little things. It was great for our friends and family too who were interested in knowing what we were up to. If anyone wants a look at the blog, just PM me and I'll forward you the link .

Lulu - In regards to a big bus, they are really cool! But just keep in mind that some camping places aren't suitable for such a big vehicle and the other downside is that at a lot of caravan parks you have to pay for two campsites, so it can get pretty expensive. But we saw some awesome ones along the way! Some people tow a car on the back of the bus so they can still do shopping/sight seeing without worrying about what to do with the bus.