|Best and MS are different.|
If you go the same hardware almost all solutions work. Say sata to sata.
Most drive makers offer some software to clone and I suspect they do a good job. Some offer acronis in limited form.
http://www.runtime.org/shadow-copy.htm might work.
Don't forget that you may need to stop applications in a particular set of sequences to restore it when back online.
You can also add drives as folders on that drive. You simply mount drives as folders instead of adding a drive letter. Can also just add in a drive.
I am sure there are many other solutions.
Playing to the angels
Les Paul (1915-2009)