Late last year, before CES, we had the opportunity to check out Dell's then-upcoming entrant to Intel's nascent ultrabook market, the XPS 13. Dell has been refocusing their XPS line with an eye on sophisticated notebooks that straddle the line between the consumer and business classes, while at the same time emphasizing slimmer, more powerful machines. Thus, the XPS 13 seems like a natural fit both for their XPS line and for the ultrabook category. While manufacturers like ASUS, Toshiba, and Acer have been apt to more closely ape the Apple MacBook Air aesthetic that Intel is arguably appropriating for ultrabooks, Dell's XPS 13 is a different creature, and when we saw it in 2011 it felt like the ultrabook to wait for. Now it's...