Some of you were asking me for option that dont slot the computer down at all, these are some of my suggestions for windows themes, all instruction to download step by step is in download link, hope you like it.
Static 2.0 is definitely one of the best Windows 7 themes I have seen. I really like how the creator used in this theme, in a nice and still atention catching way.
As name says, takes care of corners and borders, completeley polished.
Metalik Glass for Windows 7
Another very good aero desktop theme, changes windows 7 default caption buttons and has an awesome glow when you hover over captions and close or minimize, it also modifies all of the windows icons.
Leaf Visual Style for Windows 7
7Clean is a pretty decent Windows 7 theme with a greyish light interface and cool icons:
Blend 2.0 Light Aero Theme for Windows 7
Another light Aero theme with a transparent shell with some decent new buttons inspired by the IE9 and Firefox 4 browser buttons:
Light Celestica Beta
Light Celestica also an light theme, will modify close/minimize buttons and so on.
A really fine custom Windows 7 theme is this new version of the Celestica theme:
Download Celestica Time