Having said the above, I just found this link to some beta software that offers...
Here:http://www.parallels.com/en/products/workstation/mac/">http://www.parallels.com/en/products/workstation/mac/
Regards - Colin
....the first virtualization solution specifically designed to work with Intel-powered Apple computers! Parallels Workstation 2.1 Beta for Mac OS X is NOT simply a "dual-boot" solution; rather, it empowers users the ability to use Windows, Linux and any other operating system at the same time as Mac OS X, enabling users to enjoy the comfort of their Mac OS X desktop while still being able to use critical applications from other OSes.
Here:http://www.parallels.com/en/products/workstation/mac/">http://www.parallels.com/en/products/workstation/mac/
Regards - Colin