Quality wise 1click pro is better than clonedvd2. Take a look for yourselfs. 1clickpro is the first picture then clonedvd2 both latest versions.
The movie is Lord of the Rings return of the king movie only compression is 61%
In my tests I have just finished Nero Recode2 gave the best result.
The programmes I tested were clonedvd2,Recode2,Shrink,1click dvd copy pro.
1Click pro came in third place third
1st Nero recode 2
3rd 1Click pro
4th clonedvd2 (I was very disappointed in clonedvd's performance)