In addition to the 70-inch set, Vizio also had a prototype 55-inch 3D XVT model that was most impressive.

ENGADGET: Vizio's XVT Ultra HDTVs to bring 4K and glasses-free 3D to the masses, we go eyes-on

Vizio is one to eventually make good on a promise, though, and has just started shipping the first XVT series CinemaWide set.

ENGADGET: Vizio XVT CinemaWide TV goes on sale, 21:9 movie purists celebrate the end of black bars

Speaking of which, the industrial design on the XVT line is understated and premium, with an anodized silver metal band surrounding the edge of the set and minimal branding.

ENGADGET: Vizio's XVT Ultra HDTVs to bring 4K and glasses-free 3D to the masses, we go eyes-on

The M-Series units will be available later this year and additional details on the XVT-Series Ultra HD Razor LED Smart TVs with Theater 3D to be announced closer to commercial availability.

ENGADGET: Vizio unveils 2013 HDTV lineup, upcoming XVT Ultra HDTVs promise 4K for the mainstream

At the top of the list are the company's XVT Ultra models at 55-, 65- and 70-inches, which will bring 4K video to living rooms on an unknown date later this year.

ENGADGET: Vizio's XVT Ultra HDTVs to bring 4K and glasses-free 3D to the masses, we go eyes-on

VIZIO's Theater 3D technology included in the new XVT-Series takes movies, sports and gaming into a new dimension while an effective refresh rate of 240 Hz keeps even the most fast-moving pictures smooth and stable.

ENGADGET: Vizio unveils 2013 HDTV lineup, upcoming XVT Ultra HDTVs promise 4K for the mainstream

While the M- and XVT-Series will be unveiled at CES and available later in the year, VIZIO's popular entry-level E-Series line-up is available now and offers consumers an all-LED2 collection made affordable for every household.

ENGADGET: Vizio unveils 2013 HDTV lineup, upcoming XVT Ultra HDTVs promise 4K for the mainstream

The V, VIZIO, TruLED, Extreme VIZIO Technology XVT, VIZIO Internet Apps, 480Hz SPS, 240Hz SPS, Thin Line, Smooth Motion, Razor LED, Smart Dimming, Where Vision Meets Value names, phrase and symbols are trademarks or registered trademarks of VIZIO, Inc.

ENGADGET: VIZIO's 7-inch portable VMB070 Razor LED TV now available

In addition to an enhanced line of M-Series Razor LED Smart HDTVs, VIZIO will also be unveiling its first Ultra HDTV offerings this year at CES. With four-times the resolution of Full HD 1080p, the premium XVT-Series Ultra HD Razor LED Smart TVs with Theater 3D offer the ultimate in resolution and picture quality.

ENGADGET: Vizio unveils 2013 HDTV lineup, upcoming XVT Ultra HDTVs promise 4K for the mainstream