Ahead of any possible Ultrabook announcements, Sony's looking to give its existing VAIO catalogue a (relatively underwhelming) shot in the arm with a bundle of hardware retweaks. The Z series looks to gain the most out of the Spring refresh, with a new off-white Carbon Fiber Silver color option set to be offered up alongside an optional LTE modem. The series also gets a processor step-up, with new Intel Core i5 and i7 options up to 3.5GHz, rounded off with the choice of SSD storage. Including the connectable drive, prices for the series r
