My $0.02, love the MS Piolet Sport All Season 4's, immediately noted improvement over stock Pirelli AS across every metric. Heard good things about Conti but the Michelins get better reviews overall. I purchased from Discount Tire in January the last set of four 275's in the country (for the specific size) and they had two others somewhere on the east coast and no ETA on getting new, I contacted Michelin and they didn't have a schedule last February for making new ones. Price is around $323 each on average but may be creeping up, take advantage of any rebates as I was able to get the price down to $279 each. With a rating up to 186 mph they are perfect for daily driver, definitely have a second set of MT's or Nittos for the track, tires should last a good while if not driving like a maniac, on the plus side tires are all the same so you can rotate them and get more life.