How much do one of those things cost?
From about $4,000-12,000AUD for a new one. Add from $2000 for a new harness,helmet and parachute etc.
How can I have a go?
You can get a feel for what it's like by having a Tandem flight with one of the instructors. To go solo you need to have a licence and for that you need to take a course approved by the HGFA. The club can help you choose a suitable course and Instructor.
How long does it take to learn?
It depends on how you do it, it can be done in a couple of weeks of intensive training. More usually the couple of weeks are spread out over a few months depending on the weather conditions.