Frank - 4x4intelligence in Melbourne do a rear bar and wheel carrier. I have one on my car and am pretty happy with it.
Hard Range has one coming, but it is lower priority than the RAI (see below) and sliders. You can get the 4x4 Intelligence one now.
Ron - for a 15yo car, yours is way too clean and tidy. Up the hill from you a bit on Singles Ridge Rd is a nice track to dirty up your P38... just before the hard left-right bend at Yellow Rock It is still open as far as I could tell when I drove past it on Mother's Day.
Don't want to hijack this thread... but... YES, we think so :D
I'll update the RAI thread with a bit more info.
Cheers, Paul.

