Check out the online pricing calculator - it's available in 13 different currencies at http://msdn.microsoft.com/howtobuy/vs2005/subscriptions/Default.aspx.

Remember if you want to go with VSTS then make sure you sign up for MSDN Universal (Australia) by Oct 31st, 2005 - see http://blogs.msdn.com/dglover/archive/2005/09/20/471326.aspx