Cisco Valet 802.11n Wireless USB Adapter for $13 + free shipping
mwave offers the Cisco Valet 802.11n Wireless USB Adapter, model no. AM10, for $12.99. With free shipping, that's tied with our mention from a week ago and the lowest total price we could find by $2. It features a data transfer rate of 300Mbps, dual internal antennas, WEP, WPA, and WPA2 security, USB cable, base, and more.
2 very similar deals were also reported by some other sources: