not real sure of my numbers here but the crows nest area is worth a thought if you are prepared to go for smaller house/block size
depending on what interests you, lots more in the way of restaurants, proximity to the city but seems like still has not bad family/no kids mix but don't get the feel real estate is astronomical. definitely more on the urban end of suburban
substantially shorter commute to Sharks games, particularly if you wanted to go by rail to enjoy some sherbs and avoid driving home
also a much better commute to lower northern beaches
plus if it is work that will lead you to the NW, that commute will be pretty good from Crows Nest once the Lane Cove Tunnel is opened and you'd be going against the traffic