First it was just some hackers who managed to install Windows XP on a Mac. Now it's real.
Apple is starting a beta project called Boot Camp which allows both Mac OS X and Windows XP to be installed on 2 seperate partitions of a hard drive.
News about the hackers:
http://news.bbc.co.uk/2/hi/technology/4816520.stm (BBC report)
http://www.macworld.com/news/2006/03/16/xponmac/index.php (MacWorld report)
more results with Google here
News about Boot Camp:
http://news.bbc.co.uk/1/hi/technology/4880022.stm (BBC report)
http://ptech.wsj.com/archive/ptech-20060406.html (another website's review)