Apple recently launched their ultra swank, ultra-sleek MacBook Air, a three pound ultraportable laptop potentially capable of running for five hours on a single battery charge. Like most ultraportables, however, performance compromises were necessary in order to meet the size and mobility targets. What does all this have to do with the Dell XPS M1730? Nothing really, except as an interesting contrast.<span class="content"> <p>When it comes to mobile computing, there's more than one way to skin the proverbial cat. The MacBook Air takes the approach of providing a lightweight computer that you can take on the road and use for the better part of an eight-hour workday. The XPS M1730 is far on the opposite end of the mobile computing spectrum. Battery life, weight, and size get kicked to the curb in deference to ultra-powerful desktop replacement components. One thing that it maintains in common with the MacBook Air, however, is that it is not a notebook for every computer user. In fact, the target market might be even more limited than the market for the MacBook Air.</p> <p><a href="http://www.anandtech.com/mobile/showdoc.aspx?i=3242">Read more...</a><br /> </p> <br /> <p> </p> </span>