I would like to have a powerfullpowerful Linux-based disk viewer / editor (raw hex editor) like Acronis Disk Editor. It showsshould show the absolute sector, cilindercylinder, head and relative sector for the part you are looking at, and you can search and go to positions, etc.
Here is a picture:
Acronis Disk Editor screenshot with details http://i66.tinypic.com/vemyrq.jpg