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The battle over the successor to the DVD format is in full swing at Ceatec. On the one side is Blu-ray, supported by a host of companies including Sony. Shown here is a concept version of Sony's BD-ROM player.
Blu-ray is also finding a home in Sony's Vaio systems.
Leading the charge for the rival HD DVD format is Toshiba, whose gear includes a laptop PC with an HD DVD drive.