With 25000 miles on the set seem to be quieter than when new.
Have not rotated once and they are wearing very even. The "D", "W", and "S" are still pronounced in the tread showing quite a bit of life left. This is great considering that for this size in a staggered set-up they are only warranted for 25000 miles.
They strengthened the sidewall on the DWS06 models.