USE THE DATA TRANSFER UTILITY FEATURE.
It's the only way you can recuperate everything on your old hard drive (Because some save files are locked and you can't copy them manually).
You will need an ethernet cable.
Here is a quick procedure video:
http://www.youtube.com/watch?v=qM4anitZic0
You should also follow these indications.
http://uk.playstation.com/ps3/support/network/detail/item250047/Use-the-data-transfer-utility/







