The lack of a shadow on the right side of the Windows IE7 window is not a legitimate complaint — put one of your own OS X windows in the background, take a snapshot and shrink the image, you'll see. In the Leopard shot, there is a slight shadow on the right — try looking close with Cmd-Opt-8.
Good attention to detail, if it is a fake.
Good attention to detail, if it is a fake.