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.Windows 8 Aero Lite theme for Windows 7
Window Frame (Aero)
Window Caption Buttons (Aero)
Push Buttons
Combo Box
Radio Box
Check Box
Taskbar
Taskband
Start Menu (Aero)
Jump Lists