Triplenet Pricing via Amazon offers the TRENDnet 802.11n Wireless Mini USB 2.0 Adapter, model no. TEW-649UB, for $9.41 with free shipping. (Newegg charges pennies more for its newsletter subscribers via coupon code "EMCPHHE26".) That's $2 under our April mention and the lowest total price we could find by $7. It features support for WEP, WPA/WPA2, and WPA-PSK/WPA2-PSK encryption.