HP, Sony and Toshiba have already outed their new offerings for the back-to-school season, and now Dell is stepping up to the plate with announcements of its own. First up is the XPS One 27 all-in-one. As the name would suggest, it has a 27-inch screen, and the resolution is an impressive 2560 x 1440 pixels. All configurations are going to ship with Ivy Bridg
