Itching for a speedy and spacious new upgrade for your laptop? Ain't got the cheddar required to pop in a 512GB SSD? Then have a look at Hitachi's latest, a half-terabyte drive that spins at 7200RPMs yet draws just 0.69 watts when idle and 1.8 watts during read / write operations. The Travelstar 7K500 plays nice with the SATA interface and promises 16 percent better application performance than its predecessor, and for the paranoid in attendance, you can rest easy knowing that a BDE (Bulk Data Encryption) option enables users to have each and every byte encrypted as i