If you are bored by the look of your Windows XP or if you have been longing to work on a Mac then here is something that can make you feel good.

FlyakiteOSX.

FlyakiteOSX is not just a skin. It goes beyond that to transform your entire XP interface into a near-perfect replica of Mac OS X.

FlyakiteOSX converts sounds, cursors, title bars, icons, startup and log-in screens, and more. It even has an OS X-like dock for launching and managing running applications.

All files needed for FlyakiteOSX are stored in the Windows directory in a folder named ‘FlyakiteOSX’ that is hidden by default. All registry values for FlyakiteOSX are written to HKEY_LOCAL_MACHINE\Software\FlyakiteOSX.

And the best part is that it is Free.
Download FlyakiteOSX.