“Look at the first desktop screenshot at left. It looks like a Mac OS X machine, right? Wrong. It’s a Windows XP box made up to look like a Mac. Look closely, and you’ll see that its creator has done a very good job; although the machine is running Windows XP, the interface is almost indistinguishable from an OS X machine. Notice the dock, desktop background, menus, system font and icons for applications and folders. Even the keyboard shortcuts belong to the Mac OS X.” Read the rest of the article with screenshots at Wired.