GTA 4 (download) - $9.95 - Xbox 360 - xbox.com.au
Good deal going for this classic game, touted as one of the best games of all time.
The DLC is 50% off for the next week too:
Note: These deals are for xbox live gold members only.
Pro tip: You can switch the payment method from $$$ to Microsoft points, and if you hunt around, you get get these points for cheap, meaning you could get this game for around $6 if buying it for 600 points...check sites like Phatlewt for good deals on points: