Totally dependent on the master used and how many times it has been stepped on. Suppose it's possible for it to sound good if it's a reasonably new release or something from Frank Zappa.
Any thoughts on the new polycarbonate LP's
I preordered Damian Wilson's new release 6 months ago. A while after ordering it I found out it was polycarbonate. It arrived a couple of weeks ago and it sounds amazing. Here is a link about it.