Enable Hardware Virtualization On Mac Pro 8 Core (Early 2008)

Hi,
Has anyone has any success enabling the Intel VT-X feature on the Xeons on the Mac Pro (Early 2008, 8 core Xeon)? The VMWare ISO indicates that its turned off on all cores, and NOT locked. VMWare confirms that its not enabled, by not allowing me to boot a 64bit guest OS.
Has anyone had any success? ive got the latest EFI BIOS, hoping that it would fix it (like a BIOS upgrade did aparently for the Mac Mini).
As the feature bit is not locked, maybe there is a way of doing it in software (normally the BIOS turns the feature on or off, then locks it, the lock holding until the next cold boot). We would need ring0 access to the processor.
Alternatively, there is a EFI exe floating around that aparently enabled it for the Mac Mini (on old firmware with the bug).
Whats the best way to report this to Apple? do they have a history of fixing user-reported issues?
Thanks
George

Interestng about firmware. Sounds odd to have cpu from different batches.
link to the thread w/o the session ID.
http://communities.vmware.com/thread/221087
One security expert uses a Mac Pro and runs multiple VMs was interviewed and up on Tom's Hardware - there have been changes since 2006 (1st gen Mac Pro) compared to even 2008. Probably nothing to help but VT -d and other stuff was news to me.
http://www.tomshardware.com/reviews/joanna-rutkowska-rootkit,2356-4.html

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