Even the best A/S tires will still be a noticeable step down in dry grip, cornering and steering response from the best summer performance tires. That being said, many have been very happy with the large difference in ride quality and wear by going to a top choice like the RE960 A/S.
Tires
http://www.tirerack.com/a.jsp?a=AH8&...ires/index.jsp