To be honest I am not an avid potato eater and am sure I would notice the difference (I roasted them and they were okay).
I am however, looking forward to my Pink Fur Apples potatos. I am sure eaten as salad potatoes I will be able to detect a difference
My patch was larger this year and I didnt water as much as last year. Guess I needed to experience a small harvest to appreciate the need for water.