In Windows 8 Release Preview, Microsoft had only 5 different themes for the Metro start screen experience. With Windows 8 RTM, Microsoft will be providing 20 different themes allowing for more personalization for the users. As you can see in the image above, Microsoft has already created themes of different colors from which users can select their favorite. Also, Microsoft is adding more new lockscreen and desktop wallpapers with Windows 8 RTM. The following image is reported to be the default Windows 8 wallpaper,
Are you happy with the Personalization/Customization options in Windows 8?