Sony has officially announced the UK launch of the new X-Series Walkman this week, the first to feature a touchscreen display, OLED screen and the built in digital noise-cancelling technology. Sony claims that the X-Series is like "having a cinema that fits neatly into any pocket, perfect for when commuting or out and about." Want to check it out for yourself? Sony has transformed a London Underground tube carriage into a luxury cinema, complete with red velvet chairs, pop corn machines and pick ‘n mix. If you fancy checking out Sony’s ‘Tube