Looks like Subway have brought back the seven dollar foot-long sandwiches. I just saw this ad pop pop when I went to news.com.au. It seems that it should be available at all subways nationwide however I personally am based in Victoria.
CHOOSE FROM A MEATBALL, HAM, PIZZA SUB WITH CHEESE, VEGGIE DELITE®, TURKEY OR SUBWAY SEAFOOD SENSATION™ ®
SUBWAY FOOTLONG® SU
Update: Subway website states "Conditions apply. See in store for details. Limited time only at participating restaurants."