Welcome to IRL, an ongoing feature where we talk about the gadgets, apps and toys we're using in real life and take a second look at products that already got the formal review treatment. This week's IRL is a bit of a mixed bag, with tales of gadgets well-used and those deployed for pure pseudo-science. In two paragraphs, Mat Smith sums up his experience with three generations of Nintendo DS handhelds, while Dan Cooper attempts to explain why he's still using a gadget he obviously hates. And Dana, our resident laptop reviewer, tries leaving the 'ole six-pounder in the office and going home to an Ultrabook instead.Continue reading IRL: Lo