Does Australia need high-speed rail?

The federal government is considering building an east coast high-speed train line, linking Brisbane, Sydney and Melbourne. The network would cost between $A61 billion and $108 billion to build and involve laying 1600km of new track.One-way fares from Sydney to Brisbane would cost between $75 and $177, while trips from Sydney to Melbourne would cost $99 to $197, and $16.50 for daily commuters from Sydney to Newcastle. What do you think? Do we need a high-speed rail line?