Apple\'s updated iTunes today to 10.5.2 (Windows or Mac), adding fixes for the iTunes Match service and audio distortion issues experienced with some CDs. The iTunes Match service, launched in version 10.5.1 on November 14, lets users match up music they own with better quality sound files from the iTunes catalog for $24.99 per year. While details are sparse (with no updates to Apple\'s site at the time of this writing), the update is for users running Windows XP SP2 or later, and only for those running Mac OS X 10.5 (Leopard) or later.