Next time you're in Melbourne there's some fantastic South American (particularly Venezuelan) restaurants around Fitzroy worth checking out.Mexican restaurants here tend to be pretty tacky Montezuma's-style joints, it must be hard for anyone opening a serious Mexican place to overcome those stereotypes.
I have noticed a slight increase in Spanish-speaking people around the place in Adelaide (Flores & Usucar for starters ) so maybe we'll see a bit more Latin American food other than all the Argentinian steakhouses before too long
Mmmmm, arepas...