Sort-of newb help

:bow: :bow: asking the gods! :bow: :bow:

whats going to be the best method of dumping a image (ut2003) and whats the best program to…

a-dump a reliable image
b-compare images to original cd
c-the best sector \ hex editor that will be useable to someone whos got enough iq to figure stuff out most of the time ??

d-is there any way to dump the info from the sub channels?