Digital Etc. via Amazon offers Amazon Prime members the factory-refurbished Cisco Valet 802.11n Wireless Router, model no. M10, for $18.99 with free shipping. (Non-members can spend $25 or more to qualify for free shipping; otherwise, shipping costs $6.17.) That’s $1 under last month’s mention of a refurbished unit and the least expensive Cisco Valet wireless router we’ve ever seen. (It’s a current low for a refurb by $11.) This router features four 10/100 ports, WEP, WPA2, and WPA-PSK encryption, parental controls, easy setup USB key, and more.