Unfortunately I'm pretty sure that you will not be able to get your saves off of your HDD and onto a new PS3 without running the backup facility on your current system and Then the restoring it on your new one.|
As far as I am aware drives are locked to systems so It isn't possible to simply put your HDD in the new ps3 because it will need to format it.
you might want to consider doing the YLOD heat gun fix, I did it on my fat ps3 when it died and got a few more months out of it, long enough to take a backup anyway.
#9351301, By snowbored Red flashing light
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