Tablet PCs are the big thing at CES 2010. Here’s a look at what HP, Lenovo, and Sony have lined up–as well as at some of the challengers aiming to knock them down.

185764 freescale tablet smartbook colors 180 The Dawn of the Tablet PC: CES 2010 RoundupIf this year’s CES is any indication, 2010 is the Year of the Tablet PC. Practically every major consumer tech company is coming out with something thin, touchable, and Twitter-friendly.

The evolution of the tablet PC is similar to that of the laptop computer, the netbook, and the smartphone: Companies aren’t so much selling us a better computer as they are selling us new ways to use computers.