This is windows...with objectdock and a mac style windowblinds skin..haha! tricked ya!!
objectdock icons from [link]
Tux'n'Tosh, go there! it's so cute.
windowblinds skin is Mac OS X Panther [link]
Wallpaper by myself! I'll upload it.
Trillian is always chosenOS
and CursorXP is blue crystal..no shock.
i wanna see how many people believe this is still a mac..haha!