Ross Rubin (@rossrubin) contributes Switched On, a column about consumer technology.
When the iPod touch swiped away the small display, aversion to WiFi and telltale scroll wheel of previous iPods. Microsoft was left with Zune models squarely targeted at Apple's state of an older art. This fall, though, Microsoft will close the features gap and, in some ways, leapfrog the iPod touch with the Zune HD, which takes advantage of the startling contrast of OLED screen technology and will be one of the first (and likely the most popular) portable HD radio receive
