Thank you John. I originally asked the question because I was planning on purchasing both ( the digicue and, the pro one discs) in the near future. I have been watching a lot of videos on the subject of aiming systems and may have gotten confused with a different aiming system. I do remember seeing a system online that appeared to be starting out the practice strokes to the one side of center based upon the shot they were taking then shooting center ball.
As long as your shooting straight through on the original target I cannot see how either product will negatively impact the results.