It's a rare CES for which most of the digital ink spilled is about computers and hardware, rather than giant televisions. But 2012 was just such a year, thanks to the never-ending drumbeat of Intel's ultrabook platform. Yes, ultrabooks again It seems like you couldn't walk more than a hundred steps across the velvety carpet of the CES show floor without running into a giant ULTRABOOK or WINDOWS 8 sign. The first official ultrabook-designated laptops (it's an Intel marketing term) arrived during the 2011 holiday season, but CES 2012 was a coming-out party for a host of new designs from nearly all manufacturers. Mooly Eden, the head of Intel's PC unit, shows off a concept ultrabook that has both a touch screen and keyboard at a press conference at CES. The laptops ranged from the diminutive (the Acer Aspire S5 ) to the large and bold (the HP Envy 14 Spectre ), and to the copycat (the MacBook-Air-alike Dell XPS 13 ). And 14- and 15-inch models ,...