OSWeekly has an opinion piece about where the Mac OS X and Apple iApp interfaces are going.
 You can’t help but notice the incline in gray in iTunes 7 than previous versions. Almost every item has some sort of gray color property to it, including the scrollbars, checkboxes, and so on. This color choice represents a change from not only iTunes 6, but also any other software that Apple has released for OS X. We’ve become accustomed to the aqua color and the glass-like qualities of the interface decisions that Apple has made in the past, but this software has a more sophisticated and understated look to it. More …