Alternatively you could just run it under VirtualBox (http://www.virtualbox.org/) or your preferred virtualization solution. Ubuntu appears to have some docs on installing Ubuntu on a MacBook, may or may not be helpful: https://help.ubuntu.com/community/MacBook rEFIt appears to have a solution: http://refit.sourceforge.net/ http://www.slax.org/ Also, there is always the wise-guy option: http://lmgtfy.com/?q=mac+linux+usb+boot ;) -- Andrew S. Zbikowski | http://andy.zibnet.us IT Outhouse Blog Thing | http://www.itouthouse.com