For its newsletter subscribers only, newegg offers the ZyXEL HomePlug AV Powerline Wall Mount Ethernet Adapter Starter Kit, model no. PLA401V3KIT, for $49.99. Coupon code "EMCXNXR68" cuts it to $29.99. With free shipping, that's the lowest total price we could find by $23, although we saw it for $4 less last month. These adapters plug into wall power outlets to expand your home network without running Ethernet cables through the walls. It provides up to 200Mbps data transfer rates. Coupon expires July 11.