Barely a fortnight after Apple unleashed iTunes 11 into the wild, the software's first notable update is making its way into OS X's Software Update. While only bumping it to v11.0.1, the refresh adds the ability to easily weed out duplicate items in one's iTunes library -- a feature that was mysteriously removed in the original move from iTunes 10 to iTunes 11. We're also told that it solves an issue where "purchases in iCloud may not appear in one's library if iTunes Match is turned on," makes the program as a whole more responsive when sifting through a vast music library, and s
