<A href="http://www.zdnet.com/blog/open-source/microsoft-to-lock-out-other-operating-systems-from-windows-8-arm-pcs-devices/10132" target="_blank">It appears Microsoft is going ahead with its plans to use UEFI to lock Win8</A> machines to Win8. If you buy an ARM device with Win8 installed, don't expect to be able to install another operating system on the device.