Bodean74,
From everything I have heard and my experience they do stay in time. I have several very small dotson my 2006 cams and since I have been shooting this bow, the limb edges in reference to dots, have not moved a bit since date of delivery. On a humorous note, it's the people that make the problems with these bows. If you can get the local shops to do their job correctly and have it leave the shop set-up correctly, then yes the binary cam system will meet or exceed your standards.