As a standalone unit, the Sony XBR-84X900 TV already upscales all video inputs, including the more than 7, 000 Blu-ray Disc titles currently in distribution, to a near-4K resolution through the use of Sony's proprietary 4K X-Reality PRO three-chip picture engine.
ENGADGET: Sony's 4K Ultra HD Video Player revealed, COO Phil Molyneux tells us what 'only Sony can do'