Just an FYI. Took my 2009 iMac to Apple to get the Superdrive replaced. I told them I replaced the HDD with an SSD (using a bracket) as I figured it was out of warranty so nothing to lose. Seems Apple can refuse a repair if the user has gone digging around inside. Fortunately they're going to do the repair but if anything is damaged as they pull it apart they're going to simply reassemble and void the Superdrive replacement. I'll know in a week or two (they had to order the Superdrive). Oh yea. Cost for the Superdrive, $125, installation $39 Silly thing is I rarely use the Superdrive. I hummed and hawed over this repair for months.