Try Castle Hill Showgrounds!!!
I'm sure I just read in 4X4 Australia magazine the LR Clubs Expo is back on on Sunday Sept 28th 2010.
You should be able to get some pretty good footage there! Speaking of which, does anyon know if there is a P38 section with displays of product and vehicles from suppliers? Gee, I could even bring the 'pretty pig' up and get some on the spot upgrades done (like a new snorkel!).
Thinking about it, that Expo would probably be a good launch location for new P38 products... ;)