Well, Microsoft owns a good deal of Apple anyway. Any 'competing' would work for Microsoft. Either way, Microsoft wins.
EDIT> http://news.zdnet.com/2100-9584_22-5733756.html
At the end of the article, it talks about how Windows WILL be able to run on the new machines. They won't allow their OS to run on other machines, however.
EDIT> http://news.zdnet.com/2100-9584_22-5733756.html
At the end of the article, it talks about how Windows WILL be able to run on the new machines. They won't allow their OS to run on other machines, however.