Windows 8 Beta posted that deviant Art user thepanda-x has created a Windows 7 theme based on the ‘Aero Lite’ theme.

The theme contains the following modifications and the author plans to improve the theme further.

Window Frame (Aero)
Window Caption Buttons (Aero)
Push Buttons
Combo Box
Radio Box
Check Box
Taskbar
Taskband
Start Menu (Aero)
Jump Lists

  Windows 8 Aero Lite theme for Windows 7