Each week Ross Rubin contributes Switched On, a column about consumer technology.
When Acer announced a slate of new devices at a New York press conference last week, the overarching message was simple -- keyboards are as done as a Thanksgiving turkey. The company introduced an array of tablets, most of which were running Android, with sizes ranging from five- to ten-inches each. That's almost as broad a lineup as Archos, which has dipped down to what most would consider digital audio player t