For me he is a club legend, I will be forever grateful for his service, and I hope he does well wherever he goes.
But as good as his peak was, for me he is behind Pete and Edwin. They both were more complete keepers and had a higher trophy tally. Although in Dave’s defense, he didn’t have the defenders the other two had.
I think it's symbiotic to some degree. A good defence improves with a commanding presence behind them. As good a shot stopper DDG is/was you would never describe him as commanding