All video sources do not produce equal images: A cable box’s output might be too bright, a Blu-ray player’s colors may be off, and a game console’s video might be a bit dark. You can tune each input on higher-end TVs to fix these problems, but not if you run video through an A/V receiver that dumps everything into a single jack on your set. The Onkyo TX-NR906 includes its own powerful video processor and pro-level controls so you can customize up to 13 feeds in the receiver before they reach your television. $2,300; onkyousa.com
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