HornetTek 802.11n Wireless USB Adapter for $10 + free shipping
mwave offers the HornetTek 802.11n Wireless USB Adapter, model no. HT-S801N, for $9.99 with free shipping. That's $15 off list and tied with our mention from a week ago as the lowest total price we could find. It features WEP, WPA, and WPA2 encryption.
3 very similar deals were also reported by some other sources: