any ps3 can do it on any FW
plug a ubs drive in the ps3 usb port
pick the save on the XMB
press /\
pick copy
pick usb drive
remove usb drive for ps3 usb port
plug usb drive in pc usb port
copy save to PC
done
not all save will work
some are copy protected
as for hacked ps3
there may be some homebrew that will work
ps3 FTP apps should be able to copy the save over to the pc