If you’re going to Australia you usually choose for Sydney, Melbourne, the Great Ocean Road, the East Coast and maybe Ayer’s Rock. Perth is a bit discriminated because it’s quite far from the East of this continent. Wait till you surf down to Nook & Cranny. A very inspiring website about all the great spots in Perth. You definitely want to change your itinerary right now! A selection of their spots:
Petite Passport 