I've heard good things from other Australians about Vienna of late, and you've probably convinced me to drop by before or after OHM2013 in August. Few tips for internationalisation purposes...

Germanisms: citybike, public barbecuing.

Style: US would typically (over)use exclamations! Like, There's loads to do in Vienna! (and BBQ) AU would be Mate, there's shit-loads to do in Vienna! (and have a barbie or BBQ) NZ would be Vienna's wicked chur bro! (or BBQ). OK well, those last two might be taking it a bit far. But you can de-formalize(/Germanify) a little ;)

Best wishes from China... AU/DE/NZ guy of partly-German/Prussian descent.