Ending today, for its newsletter subscribers only, newegg offers the EnGenius 802.11n Wireless USB Adapter, model no. EUB-9707, for $22.99. Coupon code "EMCWXXW78" cuts it to $9.99. With free shipping, that's the lowest total price we could find by $11. (For further comparison, we saw a refurb for $3 less in January.) It features WEP, WPA, and WPA2 encryption.