Gsw953onDA released Chameleon visual style for windows 8.
This is a really nice looking and have glass effect!
You need to copy Chameleon theme in C:\Windows\Resources\Themes
For using this theme first you need to Patch Uxtheme.
Its recommended to use:
Tiny Windows Borders for Windows 8
Pingback: Chameleon theme for win8 | Skin Pack