and wont this result in a bloody battle where no clear winner emerges victorious? What could hurt Microsoft the most, more than any GNU/Linux distribution is consumer apathy. People sticking to XP, even if it goes on to be unsupported is a real danger. Microsoft's biggest challenge is itself. Also, we don't need brave distributions or Linux companies forcing the issue, we need a brave company, that has lots of PC's, switching to Linux and forcing the issue. That's when we'll see Microsoft make it's move.