Wow. Fantastic. Expectations met and then some. I upgrade from Hankook Ventus V12's and even though these tires are in the same class, the PSS is a revelation. The PSS were a little noisier than I thought they'd be when I first got them, but the noise is of a different quality, lower frequency but not boomy, so it is not an issue. Compared to the V12's, the PSS feel like suction cups going down the road; my car has never felt this planted before. I first put them on the day before I went down to Tail of the Dragon, so they were immediately pushed to their limits. At the limit, they do not squeal; the V12's squealed quite a bit even when they had grip in reserve. Grip was noticeably increased in all situations. I even ran them in a torrential downpour the 4th day I had them; never felt a loss of grip once in heavy rain. Even the reduction in feedback from the wheel during the rain was noticeably less than the loss of feel for the Ventus V12's. These tires are multi-talented wonders. They ride more comfortably, although that could be related to running slightly lower pressures than I ran on my V12's.
The only gripes I have is that for my particular setup, steering response seems dulled. I am going to try slightly higher tire pressures this summer to see if that can remedy that without reducing ride quality or the incredibly planted feel they gave. Also, grip is noticeably less, although still very progressive, when the temperatures head south. Compared to the V12's, grip falls off quicker below 50 degrees. A shame because Michigan can bounce between 30 degree mornings and 60 degree days in the spring and fall. But overall, these are excellent tires I would recommend to anyone wanting to run a summer tire, regardless of price, which is also not bad for a Michelin. This feels like a pinnacle product, I can't wait to see where they go next!