There's no such thing as "Ultra High Performance All-Season Tires", that just means it's mediocore in everything.
If you don't have snow in your area, I suggest you pick up a set of Summer tires.
You can check this site for more customer's feedback.
http://www.tirerack.com
IMO, I'm not too fond of Continental tires. I have a set of Yokohama AVS ES100 on my Camry, and they handle like a dream as I do take my car on the track.
You can also check other ToyotaNation members' tire feedbacks here:
http://www.toyotanation.com/showthre...threadid=12173