theres a sick lil plaza near rivers, with like a fair few 3 to 5 stairs,
theres some amazing ledges too, but they're all cappec
next time im there ill take pics
im in melbourne so cant really help. might try some skating sites
just remembered near st kilda beach there is an awesome setup it actually has metal on the edge and is uncapped. it is a few hundred metres away from the spirit of tasmania