Donavon from Home Server Hacks has put together instructions on how to build a tiny little Windows Home Server using an ARTiGO Pico-ITX kit. It's an interesting read and an especially good pick if your main concern is low power consumption - the Pico uses a staggering 13-watts of power at idle. While the board isn't the most plug and play compatible hardware out there for Home Server, this will show you how to make it work.

Full DIY