I was wondering how cool it be if it is possible for a desktop computer to be capable to have Microsofts Windows 7 and Apple IOS snow leopard or higher.Just throwing this idea out there but it might have been done already. 
Make sure your hardware is compatable to each OS and if you google "windows 7 and mac leopard dual boot tutorial" without the quotations you will find a lot of examples.
Make sure your hardware is compatable to each OS and if you google "windows 7 and mac leopard dual boot tutorial" without the quotations you will find a lot of examples.