Soooo if my parents ever wanted to live in Aus, they could apply for the Visa mentioned above, live there and wait for the Visa to be approved? They have a home they could sell or rent out for income, other investments, and my Dad has his works pension, and they will both soon have old age pension too (Mum does already). I can't ever see my in-laws being interested, which is a shame for Lizie, but you never know.
I looked at the other Visas, but can't figure out how much they cost or if I would need to pay anything too. That's assuming my parents would even want to live in Aus, but they are fed up of the UK, and have no problem with travel at the moment.