Jaroslovsky on Sony, Samsung Ultra-Thin Laptops

May 3 (Bloomberg) -- Bloomberg's Rich Jaroslovsky reviews Sony Corp.'s Vaio Z, a 13-inch notebook potent enough to replace a desktop, and Samsung Electronics Co.'s Series 9, the thinnest 15-inch laptop you can buy. (Rich Jaroslovsky is a Bloomberg News columnist. The opinions expressed are his own. Source: Bloomberg)