Hi, now that the relase of mountain lion is coming im just wondering what way to do the upgrade. When i bought the hard drive i read that i should install lion from scratch because of the firmware on the drive. Cloning the old drive was not recomended. So, what do you think? Would the same apply to installing mountain lion? Do i need to make a recovery usb thumb and do a clean install? Or can i just do a normal upgrade in the mac appstore and everything considering the hybrid drive will be ok?