Here's a great rundown on it.
https://www.youtube.com/watch?v=PM7JH7vBNFU
Takes you through the setup and pros and cons. It is a tad old being the prototype (ie it wasn't even priced then) but it will give you a good idea of what's what.
I see that AUD they're about $450 delivered. Pricey but not bad given the VAT is removed and being under $1000 it doesn't attract GST.