For one thing, most travel agents have better online tools, in the form of GBS (Global Booking Systems) like Sabre and Galileo.  They may yet reach the general public, but until they do, most travel sites can't handle the simplest of overseas connecting flights, let alone complex, long-haul travel through a welter of rules and competing deals on various carriers.

"The Internet on-line booking is great on travel from A to B, or on simple city breaks," says Mike Roberts, of Just Search Travel.  "But on any reasonably difficult itinerary, you'll need the help of a trained travel agent to get the job done".  On the left, is the list of Australian that can help you in your travel plans.

Australia > Perth > and beyond ...

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Sydney Perth Twelve Apostles, Australia