PSS's are great but wayyyyy over priced.
Look up vredestein ultrac sessanta's I run them and they out perform in quietness and grip over the PSS's and you can do all 4 wheels in sport sizes for under 1k. I run them and they grip like crazy and are quiet as can be. Just google it and read all the reviews...there are a crap ton of people leaving PSS's for these.
Why have to settle for crappy price for good performance when you can have both