Newegg offers the Trendnet 802.11n Wireless Mini USB 2.0 Adapter, model no. TEW-649UB, for $17.99. Coupon code "EMCARAV59" cuts it to $6.99. With free shipping, that's $2 under our February mention and the lowest total price we've seen. (It's a current price low by $1, although most places charge $16 or more.) It features support for WEP, WPA/WPA2, and WPA-PSK/WPA2-PSK encryption. Deal ends April 9.