Meritline offers the Edimax 802.11n Wireless Nano-Size USB 2.0 Adapter, model no. EW-7811Un, for $14.99. Coupon code "MLC322JN" cuts it to $9.99. With free shipping, that's the lowest total price we could find by $2, although we saw it for $1 less in December. It supports speeds up to 150Mbps, WEP, WPA, and WPA2 encryption, and more. Coupon expires after 400 uses.