I agree with most of the above, but for me Nice to fly, means responsive and finger touch needed, not necessarily stable. But that changes if I want to go long distance. Nice to fly then becomes, stable, comfortable and quiet. none of which are required for short trips.
Easy to fly, means it is hard to get into trouble, but that means it can be equally easy to get out of trouble.
As stated above the Cessna 175 and piper are easy to fly, but comparing them to cars driving them is like driving a truck, whereas my Corby would be more like a Lotus.