I was in Adelaide for a little over 3 months and worked all of the area's including Elizabeth, the roughest area I went to was wylef I think, it was the home of the Gipsy Jokers, who are or at least were the most notorious biker gang in SA, they would go around and shoot other biker gangs but never involved Joe public, much like the UK in the 50s, they were the source of most of the drugs and though the police would raid them they were very reluctant, the Jokers also had a wooden fort around a few of their houses which was a bit daunting to go near, I went aound this area and not once did i feel threatened or unsafe, though I was in the most "rough" area, they treated me as I did them, with caution but respect.
I never saw or felt uneasy in any other part of the city or surround, even though there were places that if you were to transport to London I would avoid like the plauge, I had my oversensitive "london" sense going and the percieved threat was always much worse than anything I was walking into, It just took me a long long time to wind down and settle with the fact that every person I walked past in the street wasn't going to try and knife me for my watch or for a dare, I live in a rough end of London but I only feel threatened when in the City, most people who live in the city won't go near the E-SE suburbs, it's relative to your own comfort zone. Adelaide though i could see the bad points seemed very much like a Eutopia, though i've quoted this before I'll put in what an ozzie frind of mine said to me about Adelaide.
"every so often something happens that reminds you that bad things happen here, but there is just enough crime every so often, not too much, to remind you that your not in paradice, the rest of the time you wouldn't know"
I still think that's a fair call,