Newegg offers the TRENDnet AV500 Powerline Kit with 802.11n WiFi Extender, model no. TPL-410APK, for $79.99. Coupon code "EMCPEHG54" cuts it to $59.99. With free shipping, that's the lowest total price we could find by $20. This device extends your wireless network via your powerline and features two ethernet ports. Deal ends May 26.