eXpansys offers the Celluon Magic Cube in Black for $165.52 with free shipping. That's a buck under last week's mention and the lowest total price we could find by $4. The cube is both a projection keyboard and a multi-touch capable mouse. It connects to any Bluetooth device and features plug-and-play functionality with Windows.

Note that this item is currently out of stock, however it can still be ordered at this price to ship on January 8.