Just in case it goes...
Upgrade fee: A$200
IQ2 Rental: A$10 / month
On demand movies: A$6.95 / movie
HD Sport (ESPN HD, Fox Sports HD): A$9.95 / month
HD Explore (Discovery HD, BBC HD, Nat Geo HD): A$9.95 / month
HD Complete (combination of the above 2): A$14.95 /month
Not too bad I suppose. Based on this, I guess Sky will be about the same. Hope you can seperate movies and sport.