Ok, now I managed to start the iAKTOS installer (the F8 had to be REALLY QUICK after the Enter...), and install the OSX.
however, when booting into the OSX (again, using the above fast F8, and then selecting the OSX instead of iAKTOS), it starts to load, but reboots itself after ~10 seconds of loading. when I add "-v" to the boot, it dumps a lot of messages on the screen, but I can't stop it, so I can't tell what was the last thing that caused the failure...