Video over usb is useful if you want to extend digital video. It takes a usb mini input and outputs DVI up to 1080p all for $60. There is also a VGA version. The docking station will give via usb 1080p, DVI, VGA , Ethernet, microphone in, and daisy chain up to 4 usb monitors. Extend 15' or more over one usb cable.
Habey's mini pc is based on the menlo xl. The processor is low power and high performance. The box is roughly 20cm by 20cm and can be mounted on the back of the monitor or anywhere else. There is a 12v input, compact flash, sd and four com ports to control different environments. The box can stream and play 1080pd videos. This is an Intel and Habey project. It has everything you need for a home or car pc. Runs on 12 volt with VGA input or you can have a model with DVI output.