If i were to boot from my mac os x restore disk and have it load the disk utility program and have that program fully format or erase my ibooks hard drive would that work? Once that would be done, I would assume the hard drive would be fully erased and i could start the mac os x installer. The reason I ask this is b/c when I reinstalled os x and chose the erase and install, i noticed it did a sort of quick format. I want a full format, so would the above procedure work out with no issues? Im just wonderin, i don't need to do it right now but for future reference.