This week The Gadget Show is all about summer holidays. Suzi and Jason are testing the best way of taking photos underwater; they are testing to destruction the most rugged luggage on the market and racing the coolest water transport they can get their hands on. Jon Bentley, with the help of Helena Christiansen, gives his tips on how to take the best holiday snaps. Nigel Havers helps him find the best e-reader on the market and Dallas Campbell gives his run- down of the Top 5 travel gadgets to take on holiday with you this summer.