Solving:
1) How to Copy Newest User Data (12-12-09) from Newest C Drive whose operating system will no longer boot up and the HD now is in a USB exteral storage unit;
2) Copy into working restored older Acronis backup of 9-10-2009.

Best Strategy please:? Other strategies?

I have available as tools:
1.WindowsPE Vista boot disk
2. Koppitz Bot disk
3. Vista Ultimate Installation package


Possible alternatives:
1. (A) Boot up with the WindowsPE Vista
(B) Click Users Folder (12-12-09) and Select ALL, Copy it
(C) Paste into Users folder of 9-10-2009
(D) Reboot

Or

2. (A) Boot up with WindowsPE Vista
(B) Rename Users Folder of 9-10-2009 to Users-Old
(C) Click Users Folder (12-12-09) and Select ALL,
(D) Copy it to C drive
(E) Reboot

Or

Other or Better strategies?

Thanks

I have found this website that explain it very well!

In Windows, what is a user profile, and how do I copy one user profile to another? - Knowledge Base

If you still can't figure it out I will try walk you through it as well! :)