We've come a long way since 1997, when Microsoft invested $150M in the beleaguered Apple, perhaps so that there would still be a platform on which to run Microsoft's Office for the Mac.

Fast-forward ten years to 2007 -- starting with the eye candy iMacs and then iPods in every shape, size and color, and now with the iPhone, Apple has risen from the ashes in perhaps what is the greatest corporate comeback of all time.

Now, with the release of OS X 10.5 (Leopard) last week, Apple has delivered a fine -- albeit subtle -- slap in the face to Microsoft. The icon for a PC server shows the PC displaying the infamous blue screen of death. As if the "I'm Mac/I'm PC" ads weren't enough. . . .