Buy.com offers the TP-LINK N750 802.11n Wireless 5-Port Gigabit Ethernet Router, model no. TL-WDR4300, for $91.24. This $40 mail-in rebate drops it to $51.24. With free shipping, that's the lowest total price we could find by $38. It features five Gigabit ports, two USB ports, three detachable dual band antennas, and WEP, WPA, WPA2, WPA-PSK, and WPA2-PSK encryption. Rebate expires December 1.