Autoblog posted this earlier.
http://www.autoblog.com/2012/07/24/2014-chevy-silverado-redesign-caught-with-new-interior-exposed/
http://www.autoblog.com/2012/07/24/2014-chevy-silverado-redesign-caught-with-new-interior-exposed/
Looks like they might be trying to simplify things.