The SA courts are very good normally, and you can learn quite a bit about the role of an expert witness by reading the judgements. For those with the time here's the judgements page
http://www.courts.sa.gov.au/courts/e...ent/judgments/
Together with the Qld courts I used to trawl through the relevant arb cases every two months or so before life became so time limited!!
http://www.courts.qld.gov.au/qjudgment/pe.htm
The miller case is a good one so is this one
back_v_unley.pdf
Before we get too gooey about the SA system have a read through this one
goode_v_burnside.pdf
You might recognise the names of the Arborist and the commisioner from Ekka's example....something of a back flip your honour? Courts can be treacherous places my friends.