Rarely see ST11/1300's here in Port augusta, but saw one in town, heading west towards the bridge, on Dec 26th around midday - did not get close enough to see whether they were sporting an Ozstoc badge though. The last one i saw prior to that was at Erldunda heading north i think (we were at the servo there and it got away before i got a chance to say g'day), that would have been around end of April 2013. Rare beasts in these parts i think!