Newegg offers the D-Link 802.11n Wireless Range Extender, model no. DAP-1320, for $39.99. Coupon code "EMCAKNA54" drops it to $29.99. With free shipping, that's the lowest total price we could find by $8, although we saw it for $5 less in October. It delivers up to 300Mbps for whole-home coverage.