For its newsletter subscribers only, Newegg offers the Rosewill 802.11n Wireless PCI-Express Adapter, model no. RNX-N250PCe, for $20.99. Coupon code "EMCXWXN226" drops it to $15.99. With free shipping, that's $2 under our May mention the lowest total price we could find by $3. It features WEP, WPA, and WPA2 encryption. Deal ends January 13.