Each week Ross Rubin contributes Switched On, a column about consumer technology.
CES 2011 saw the debut of what could be the biggest challenge to the Wintel dominance of personal computing since Windows 95 cemented its position. The combination of the Android operating system on ARM processors -- ARMdroid if you will -- grabbed most of the attention in the emerging tablet category on products such as devices such as the Motorola Xoom and LG G-Slate. Bu