what is the good software to use to make an clone of a hard drive to a DVD or to another bigger hard drive?
Here are some excellent choices: http://www.techsupportalert.com/best-fr ... ftware.htm
Let me know what you end up using and how well it works.
I also would like to know if on my T420 lenovo thinkpad can I hookup a blueray-RW drive to it by usb or Esata?
Yes, that should work as long as you have the appropriate drivers and burning software. Scott.