By Ian Bush

PHILADELPHIA (CBS) – It’s day two of the Consumer Electronics Show in Las Vegas, but we’ve already seen the wraps come off the latest in technology.

To dent the dominance of the iPad, PC makers will have to ‘Think Different’.

CNET editor-at-large Rafe Needleman says (via Skype, from the convention floor) that’s what Lenovo’s working on with the IdeaPad Yoga, “which is a Windows 8 ultra-slim notebook with a swiveling, rotating screen, so you can use it as a regular notebook computer, or you can turn the screen around and fold it over and use it as a tablet computer, or use it in the stand configuration, where it becomes almost like a TV.”

As far as actual TVs go, the hype surrounds 4K, which doubles the current 1080p hi-def standard:

“The thing is, there’s no content for 4K. When these TVs start coming out in a couple years, they’ll just blow people away, they’re just spectacular.”

TVs are getting trimmer. LG showing off a 55″ Organic LED that’s just four millimeters thick.

Smartphones are growing. Sony’s Xperia Ion is an Android device with a massive screen and PlayStation game support. It’s designed for AT&T’s 4G LTE network.

Tablets are getting cheaper. Asus hopes its Transformer Prime — at $250 — deserves consideration over the iPad and Kindle Fire.

Nintendo showing off its Wii U console: it replaces the stick-like controller with a touch-screen tablet — though the gaming company says the cheaper wands will still work with the new device.

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