A man wears 3-D glasses as he watches a TV at the Consumer Electronics Show in Las Vegas, Nev.
A man wears 3-D glasses as he watches a TV at the Consumer Electronics Show in Las Vegas, Nev. - 
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Top U.S. electronics retailer Best Buy has unveiled a line of 3D televisions made by Panasonic.

Lots of companies are hoping to cash in on the current enthusiasm consumers showed for 3D movies like "Avatar" and the new "Alice in Wonderland." ESPN is unveiling a 3D network this summer. Discovery, Sony and IMAX are expected to follow suit next year.

Will 3D TV be a big performer?

Guest: David Carnoy, CNET

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