Sony this morning made official the VAIO TT, a major update to the TZ that marks a number of firsts. The ultraportable notebook is the first to carry a Blu-ray drive and burns at 2X in addition to reading the HD movie format. It's also one of the lightest at just under 2.9 pounds, Sony adds. A carbon fiber case helps reach this target, as does an LED-backlit, 11.1-inch display that the company
