The Drillbit mining board is based on the BitFury ASIC chips. The mining boards can be hooked together using a Mini Plane, making your setups expandability easier. An 8 Chip board is currently selling for $430, and will be shipping in late October, Early November. To read more or get the downlow on purchasing these boards visit Barntech’s thread here.
Below is the Drillbit Systems MiniPlane prototype