Using this daily in my social work rounds. Have only used for 1 week but so far very happy. Has a nice sturdy feel and the rubber on the sides make it comfortable to carry with me all day.
We have found the fold points on the binder last much longer than conventional notebooks. We have had some binders for several years in use with no tearing of cover on fold points. We more often find the rings get old and do not close evenly but even that is not often and after much use.