LAS VEGAS--(BUSINESS WIRE)--Dell today announced at CES 2015 an expanded portfolio of award-winning devices featuring premium materials, stylish finishes and the latest technologies from its XPS, Alienware, Venue, Inspiron and displays families. “The new products announced today raise the bar in every category, with style, substance and software solutions customers can only get from Dell,” said Sam Burd, vice president, Client Solutions Product Group, Dell. “Whether you are a gamer, always on t