In the UK you can just buy the Steam It book. That's what I did. For some reason, they don't do the varoma demonstration here - don't know why. I'm thinking of becoming a demonstrator, and then I'd ask for advice on how to do a varoma demo and introduce it to my clients. Personally, I'd find it very helpful to have someone come and give me ideas on how to use my varoma in every day life.
Some of the UK books in English are actually from Australia :-) (eg seafood bounty and gluten free). Still, if the postage is cheaper, then that's great. I like the Demonstrator Delights book - although it's more of a booklet, really. It's a nice mix, as the demonstrators are from different backgrounds and cultures, which makes for an interesting mix of ideas. For me, at least