As you can no longer get 3 gigs of prepay data for $9 anymore this $14 deal for 3 gigs is the next best thing for wireless data. Buy a few and save them for a ADSL breakdown day or when out and about. These are new stocks not expired stock. Mine says manufactured Jan 2015. Yes they are still making 3 gee stuff in 2015.
This is $1 less than the office works Optus slimline huawei 3 gigs deal and you'd probably don't need to struggle to find as you would on office works deals as office works have a reputation of carrying only 2 items of anything on special.
Woolworths pre-paid devices can be difficult to find if they've been on special before. When the Lumia 530 went on sale earlier this year I phoned four stores before finding stock.