Just under two months ago, Seagate pushed the capacity envelope once more by introducing a $250 3TB hard drive meant to be used by archivists the world over. It all sounds peachy on paper, but AnandTech managed to uncover a dirty little secret about the drive that serious power users should know about. For starters, the crew cracked open the case to find a 3.5-inch, five platter Barracuda XT -- that's a drive that Seagate doesn't intend to sell for internal use until the end of the year, but it's available now if you're willing to spring for its enclosure. Reviewers actually fell for the overall d