Purchase a TP-Link TD-W8980 ADSL Dual Bang Gigabit Modem Router for (around) $109, and you can claim a free TP-Link TL-WDN3200 USB Dual Band Wifi adapter from TP-Link. Available at most participating stores including NetPlus of course!
Go http://www.tp-link.com.au/common/Promo/au/au-8980-promotion/ for details on claiming.
not bad. ple is selling at $115, but pretty sure they can price match.
and accepts credit payments(Pay Wave/Pass).