The $125k cash has now been recovered...
http://www.theaustralian.com.au/news/breaking-news/three-arrested-in-mildura-woman-gets-her-150000-life-savings-back/story-fn3dxity-1225836041278
$2k is usually the minimum I have on me. I'd probably feel like a stranded bum if I was carrying less than $500 cash.
Feel free to try and mug me at the next meet-up...