eh ! You won't find a harder longer lasting tyre than PZero, my front toyo are (according to ford - but I have 50bhp more now ) lasting half the PZero but at least I can get away without any judder with these.
Might try Uiroyal Rainsport 2 next as appear to be even better than Toyo around.
http://www.tyrereviews.co.uk/Tyre-Size/17-Inch-Tyres/205-40-17-Tyres.htm