i have neither been to the location yet, nor at the event series, but i know the dj, and that's why music-wise i would recommend "heaven" at "camera club", that is, if you don't mind going to a gay event. there you will get - in the smaller room - italo disco, and not just any italo disco, but excellent one. see http://www.camera-club.at.
depending on what you're into you might also consider fixmer/mccarthy at the viper club, though here what to expect is a gothic crowd.
for the more conventional type of electronic entertainment, "resolut" at "fluc wanne" would be an option.
for a complete listing of things going on see http://www.hauptstadt.at.