One Way Flights to Australia

We've got cheap flights for one way airline tickets to Australia. Check out these sample airfares:
One way flights to Sydney from Toronto, departing November 3, 2008
FlyForLess.ca price: $850 + $263 tax = $1113
Travelocity/Expedia price: $1561 + $200 tax = $1761
One way flights to Perth from Vancouver, departing December 1, 2008
FlyForLess.ca price: $955 + $332 tax = $1287
Travelocity/Expedia price: $1112 + $341 tax = $1453
One way flights to Brisbane from Montreal, departing February 17, 2009
FlyForLess.ca price: $871 + $207 tax = $1078
Travelocity/Expedia price: $1561 + $203 tax = $1764