Dan writes "The Windows Logo Program was supposed to be Microsoft's key to ensuring that all hardware devices work well with the Windows operating system. It worked in Windows XP, it would be expected to work just as well in Windows Vista. Unfortunately, there are obvious signs that the Windows Logo Program is no longer a trustworthy standard. Recently, even graphics cards are getting certified without working drivers. The article digs into the 321-page Microsoft Windows Logo Program 3.0 document to find out what the Windows logo is supposed to mean in Vista."