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COOL FACTOR Without a doubt, getting rid of your iPod's headphone cable would be a huge plus. Sure, you may not get as much street cred without the dangling white wires, but think of the freedom you'll have with TEN's naviPlay, which has volume and track-skipping controls right on the earcup.

Editor's note: When Sound & Vision needed a family to test HomePlug - the new technology that sends A/V signals through your house's electrical wiring (see Power Play) - reader Kevin Post, a home theater enthusiast and a regular on the S&V Online Forums, filled the bill nicely.

That's what a lot of people want to know when they buy a Sony DualDisc and notice that the DVD side offers Enhanced Stereo. As Clark Novak writes on QuadraphonicQuad.com, "What the hell does that mean anyway? 'Enhanced Stereo.' That's kind of like 'connoisseur's popcorn.' Means nothing. Grr."

On The Ricky Gervais Show (audible.com and itunes.com), Gervais (right, center) and Stephen Merchant (in glasses) - cocreators of the brilliant BBC series The Office and Extras - are joined by offbeat comedian Karl Pilkington for one of the most irreverent half hours you'll ever spend.