Overview: Suzi Perry and Ortis Deley explore whether it is possible to lead a totally wireless life, using Lamborghinis, powerboats, electric cars and trains above and below ground to race from London to Plymouth. On reaching their destination, the duo travel across a quarry via advanced motorbike and personal hovercraft. Meanwhile, chef Simon Rimmer tests hi-tech ovens and Jason Bradbury checks out a selection of free online games