Sure, you could use an ROV to feel like a regular Jacques Cousteau (or James Cameron, for that matter), but nothing beats the real deal: a personal submarine. UK department store Harrods used its Technology Showcase 2.0 event to highlight a mockup of Spymaster's Orcasub: a made-to-order $2 million submarine that can drop up to 2,000 feet into the briny depths. A total of two passengers can climb aboard the 4-ton, 22 foot-long submersible thanks to a pair o