Newegg offers the IOGEAR NetShair Nano Portable 802.11n Wireless Routerb, model no. GWPAP1, for $27.99. Coupon code "EMCPDPG222" cuts it to $19.99. With free shipping, that's the lowest total price we could find by $7. It plugs into your computer's USB port and transforms a wired Internet connection into a WiFi signal with speeds of up to 150Mbps; it works with Windows and Mac. Coupon expires today.