Newegg offers the ZyXEL 600 Mini Powerline AV Gigabit Adapter Starter Kit, model no. PLA5205KIT, for $74.69. Coupon code "EMCWHWB53" cuts it to $49.69. With free shipping, that's tied with our mention from a month ago as the lowest total price we've seen. (It's also a current low by $26.) It's backwards compatible with 500Mbps and 200Mbps Powerline adapters and plugs into wall power outlets to expand your home network without running Ethernet cables through the walls. Coupon ends December 24.