Sony Ericsson is gearing up to launch its flagship Sony Ericsson W995 Walkman, and will be backed by a £4.5 million campaign according to an article on itproportal. The Sony Ericsson W995 Walkman features an 8.1 megapixel camera with LED flash and face recognition, quad-band GSM, 2.6 inch display, 3G, A-GPS, WiFi, built-in stand, 3.5mm…