Thanks, flashfix sorted it perfectly.
on 24x ultra speed 650MB verbatim media burned with a 605MB video scanned with qs0c
as you can see, qs0c is an OMFG factor scale on 10, either qs0c is not good at cdrw ultra speed or th everbatim media I used is a bit cheese!
Lets move onto qs0b...
on 24x ultra speed 650MB verbatim media burned with a 605MB video scanned with qs0b
Clearly qs0b is the winner, much lower c1 rate and most importantly NO c2 errors, quite an amazing jump in quality terms here