Panasonic portable Blu-ray Disc player: Panasonic's portable DMP-BV100 Blu-ray Disc player, which we saw as a prototype at January's CES, makes its retail debut in Japan in March. The 1.7kg player has an 8.9-inch display and will handle Blu-ray, DVD and CD playback. The screen has a 1,024 pixel by 600 pixel resolution, which is less than high-def quality but on a screen this size it probably won't make too much of a difference. Playback time is given as 2.5 hours, so you should be able to watch almost any movie on a single charge. For good measure it also includes a tuner for Japan's mobile digital TV service. It hits shelves in Japan on March 15 and will cost around ¥90,000 (US$910). Launch details for other markets have not been announced.