Sony UK have announced two new Walkman PMPs, the E-series and formerly Japan-only B-series. The Sony E440 is set to take on the iPod nano, with a 2.0-inch QVGA display, 9.3mm thick chassis and Clear Audio technology which promises to reduce left/right stereo leakage between the channels together with control low-end bass without distortion. Meanwhile the B140 – which was launched in Japan back in June - has a slimline USB key form-factor and a compact monochrome display. It has five
