I've got the pzero nero m+s (stock) on my '04 RS2.5 sedan and they are great.
I replaced the fronts first and really liked the feel I got with the new tires.
Two 1,000+ mi trips later and I was due for my 30k maintenance.
Well, they rotated my tires and can't stand the way the original RE92s feel.
So I've got two more pzero neros going on later this week.