The videos below show the BOB-4 used for GPS overlay with an RC plane camera in Antarctica and for a Datsun 240Z track session. The BOB-4 can easily be used with other microcontroller development boards or a PC, it only requires 5VDC, serial data, and video I/O.
You can purchase BUD and BOB-4 from Decade Engineering's website. The BOB-4 module is also available from Solarbotics and Farnell. See the Decade Engineering site for additional dealers.