Folks with hopes of running Windows Vista on their shiny new Intel based Macs are going to be disappointed its emerged that Intel based Macs are unlikely to support the next generation OS from Microsoft. It turns out that the new EFI architecture is only supported by the 64-bit version of Windows Vista, and (of course) Apple is using 32-bit Intel chips in its new Macs. EFI (Extensible Firmware Interface) is responsible for managing the startup process until the operating system can take over, and the first versions of Windows Vista will not offer any support for the EFI architecture. However, many have been successful in running Windows on the new Macs via some form of emulator.