STARTS FEB 1: Just got this flyer from my local Domino's. Online Mega Week. 50% off, seems to include anything on the menu except the Value Range Pizzas. Will drop the price of pizzas down to $3.95. Deal picture
Mod 1/2: User Damnsmart received the code 632618 for the same deal (excludes NT/WA). It's likely therefore the listed code also excludes NT/WA.
Also 995225, 879685, 424024 + multiple other codes all get you 50% off.
Mod: See the new OzBargain Pizza Page