For 981 owners with 19/20" wheels, Continental is now selling a new Max Perf. tire that compares favorably with the outgoing Michelin PSS.
A 19" set runs just over $1k @ TR.
When I looked at replacements for the OE PZeros last year, there weren't a lot of choices--BS S0-4, MPSS, the new and old PZero, GY F1Asymetric 3 and Yoko Advan; a couple of these tire sets were in the $1500 range.
From some of the early testing Conti did, drivers thought the new tire was very close to the MPSS--which is a good place to be.
Anyway--here's link on the TR site:
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www.tirerack.com]
BTW, I'm not associated with Continental or TR in anyway.