thers is a place in the city near central its in the upper stares portion if this building https://maps.google.com/?ll=-33.879499,151.20533&spn=0.001855,0.004128&t=m&z=19&layer=c&cbll=-33.879394,151.205362&panoid=7czEZOlDS-osrjB4E2lc1g&cbp=12,99.07,,0,7.33
don't guarantee that they have every switch type but it should give you a start