The following step by step guide will help you in installing Mac OS X 10.6 Snow Leopard as a guest virtual machine in Windows 7. You’ll need to have a system with an Intel processor which supports hardware virtualization, original OS X Snow Leopard retail disk, VMware Workstation 7 and Windows 7, Vista or XP installed as host operating system. If you meet all these requirements, you can then install OS X Snow Leopard as a VM under Windows and can enjoy the best of both worlds.
Google unveiled Chrome OS in an event yesterday where they demonstrated the upcoming cloud-based OS for the first time in public. Source code of Chrome OS was also released which folks over at gdgt have compiled in a ready-to-install .vmdk file. All you need now is a system running Windows, Linux or OS X with any of the virtualization software like VMware or VirtualBox installed to get Chrome OS running within minutes.