In case Dell's convertible XPS 12 is too expensive (or weird-looking) for your tastes, the company's got a more traditional sort of Ultrabook on tap. The company just announced the Inspiron 15z, a 15-inch notebook with an optional touchscreen. As you can see in our hands-on shots below, it's essentially the same plastic-and-metal design as earlier Inspiron Ultrabooks, though that touchscreen is of course new. At "less than an inch thick" it's still chunkier than your typical ultraportable, but if you insist on hav
