I purchased these tires January 2013 and have put roughly 25k miles on them. They have worn quite well, but I did have a belt blow out of one of them at 23k miles for no obvious reason. It was replaced under the road hazard warranty. The other 3 tires have about 1/2 of their usable tread left, which is about right considering they are at 1/2 of their warranted mileage. The 1 that blew out did have a fair bit more wear, but it was on the right rear this past winter which is the first wheel to spin being that the car is rear-wheel-drive and has an open differential.
They handle fantastic. I rebuilt the front suspension shortly before installing these, and that made less of a difference in handling than installing these tires did. They are on a Town Car, not exactly a corner carving machine, but they have proven to be very grippy and predictable in just about every weather condition. Except snow.
They are fantastic in the rain. Which was something I definitely wanted after having the last 2 sets of tires on this car being just about useless in the rain. They are however pretty horrible in the snow. They were okay when they were brand new, but this past winter proved to be a challenge with them now that they have some wear. I sort of expected this with them being a fully directional tire, which typically are not so great in snow. Somewhat surprisingly they are not too bad on ice, I have gone thru 4 ice storms on them. I think I'm going to invest in some dedicated snow tires for this upcoming winter.
Overall I've been pretty happy with these tires. I'd probably buy them again.