Dell XPS 420 launches with Windows SideShow-enabled secondary display!

The third Windows SideShow-enabled PC in the market isn’t a mobile PC–it’s Dell’s new XPS 420 desktop!  This powerful machine is sporting a 2.5″ QVGA Windows SideShow-enabled secondary display on the top of the case, giving you instant access to control media playback, browse photos, and view RSS feeds, e-mail and much more.  Don’t worry…

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