Beyond the sleek design and processing power, VIZIO continues to leverage its HDTV background with brilliant picture quality, high contrast and wider viewing angles, a staple of the Touch PCs.

ENGADGET: Vizio brings pricing and release information to spring line of laptops and desktops

It is part of his efforts to contrast his own blue-collar roots with Romney's personal wealth and Wall Street background.

CNN: Santorum benefits from staying in GOP race