As far as im concerned the Hankook RS3's are better for the track than PSS. In the wet PSS are better, on the street PSS are better but for track RS3's.
The PSS are quieter and smoother and better in the wet which is why people prefer them for the streets.
The RS3's are awesome for the track but they will need to be warmed up first, unlike the PSS.
2008 535i Sport Pkg
2007 Mazda RX-8 - 6 speed MT
OEM BMW Parts