about 45 minutes nw of melbourne. i'd personally take it over sydney, but if you love your austin, you would probably like it better. melbourne is a combo of nj, ny, and several boring arse cities. at least sydney has culture, but i'd prefer the simple life of bogans.
also, you mentioned london earlier. i'd take it in a heartbeat. i was there for 3 months at 10 years old, went to primary school, and even with that not being a vacation, i loved everything i saw in england and scotland.