Source : EngadgetL'EFI-X is a rather special USB key:
Once plugged into a PC, it allows you to install Mac OS X and to turn it into a Hackintosh without requiring modifying the default Mac OS X Installation DVD.
On the legal point of view, it might well become a big nightmare for apple legal as it does not seem to break any claims linked to the use of Mac OS X. So, far the company distributing EFI-X did not receive any letters from Apple Legal yet, but it might quickly change. Indeed, the another company Efi-X USA decided to sell PC models bundled to the key, so offering all components to make a Hackintosh. For sure the second company is trying to surf on the wave generated by the smart EFI-X product, by fouling some customers.
In summary, the number of H
