On this week’s Gadget Show Jon and Jason are investigating the world of High Definition. They are asking what is the best way of getting your hands on an HD movie? How do HD TVs compare to real life and they pit two Hi Def camcorders against each other. Sharron Davies helps Jon test the Nike Plus training gadget and its competitors. Suzi has selected her Top 5 stupid gadgets and Dallas is in San Francisco at the RoboGames.