I kind of agree with Bob Sharkey. Maybe a "overall artistic impression" catagory, one for "Technical execution", and one for "Themes" might work. In general, all opinions should be justified with a few lines of text. Nobody likes to hear that "everything you do is great" because we are all looking for comments that will help us improve this image or the next one. (Aren't we?) Still, I can live with what we've got. Clarifying comments mean more than a number rating anyway, at least to me.