to me it makes no difference at all. the deciding factor would be what would be of most comfort to my loved ones left behind.
my father's family were all cremated, my mother's were all buried. though i visit my maternal grandparent's graves from time to time it is no more or less comforting than those who were cremated.
as one who has participated in a cadaver lab, i have often thought of donating my body to science or a med school where it might really do someone some good.
nowisee