Creating a virtual OS X inside OS X

Having done quite a lot around virtualisation on Windows I thought it would be quite easy to transfer that skill to Mac OS X.  How wrong I was!

Can anyone cast some light on to how I can create a simple OS X virtual machine to use on my Mac OS X machine for testing and programming?

Currently running 10.7 and would like 10.7 in the virtual too.  I have the original OS X disc and I have built an iso file of the installer.

Software for virtualisation, I have VirtualBox and VM Fusion available too me.
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Daniel HelgenbergerCommented:
Welcome to the Apple world. They ask why virtualize, install MacOS on a 64bit iPhone 5S ;)

The only free hypervisor I know which can emulate MacOS quite well is Virtual Box. Oracle  does a really good job when it comes to EFI emulation and passing through copy protection.

The funny part is, you need Linux or Windows on your Mac to virtualize MacOS, since binaries of VB are only available for these platforms. Another Way would be to build Virtual Box on MacOS (but I have never done that): 
Please keep in mind that for licensing reasons you need to run a virtual MacOS on Apple Hardware.
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Just boot the OS X media in the VM, and install.
Daniel HelgenbergerCommented:
EmanuelAuthor Commented:
Yeah thanks for the comments, but it isn't as simple as you suggest.  Either way the Mac isn't install a VM of Mac OS.
If I use Fusion it reports that the underlying OS needs to be Server, if I use VM Virtualbox it has loads of issues about handling USB etc.  

I think I will have to partition the disc and dual boot.

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EmanuelAuthor Commented:
Still ongoing.  Will report back when it is working
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