A search of our forums will reveal many such discussions.

Nut of bone, graphite, brass or plastic.
Sandpaper or Plane
Bodies of Basswood, Mahogany, Ash, Alder and others...
Maple or mahogany necks?
Rosewood, maple, ebony fretboards....
Types of bridges from tremolos, hard tails and trapezes.
Finishes of various kinds from synthetic to natural.

Looking for definitive answers? It seems that it all down to your ears, personal skill and personal preference?