The previous beta of Mac OS X 10.6.2 disabling support for Intel Atom processors used in many netbooks. It became impossible to install a modified version of Mac OS X on a netbook.
Fortunately, the latest version of Mac OS X 10.6.2 provided to developers who restored this feature was therefore an inadvertent omission from Apple, unless the company simply wants to test the impact of such decision. Finally, leave a little liberty to hackintosh does not allow it to get customers on the long term? Mac OS X one day, Mac OS X always ... except for games.