The VideoRay Deep Blue Submersible Robot
"The VideoRay Deep Blue is ideally suited for deep missions. The Deep Blue can easily accommodate modular instrumentation and tools such as: scanning imaging sonar for low visibility environments; manipulator for object retrieval or intervention; positioning system for exhaustive area searches; water quality sensor, metal thickness gauge, and more. The Tether Deployment System (TDS) is included for quick coiling and recoiling of the tether." $46,500-view demo video
-VideoRay web site
