Dell's XPS 13 Ultrabook has been rather lonely since it launched in early 2012, but the company is introducing two new laptops to round out the updated XPS line. Today it announced the 14-inch XPS 14 and the 15-inch XPS 15, both of which feature the same aluminum chassis as the XPS 13 and run Core i5 or Core i7 Ivy Bridge processors. The XPS 14 Ultrabook will be available in two configurations, both of which include a backlit keyboard and a 400-nit, 1600 x 900 display. The main difference between the two models is connectivity: the higher-end XPS 14 comes with integrated mobile broadband and uses Dell's NetReady "pay as you go" servic
