Sony on Monday evening unveiled its new Centrino 2-powered line of ultra-portable VAIO Z Series notebooks, with options for Blu-ray, a flash-memory SSD drive, Sprint broadband, and more. Weighing just over 3 pounds, the VAIO Z model offers speeds up to 2.53GHz, incorporates the first ever 13.1-inch widescreen 16:9 display with Sony's XBRITE-DuraVie
