Personally, I like Schwalbes. I have 18 of their tires: 6 Marathon Racers, 4 Marathon Supremes, 2 Marathon XRs, 2 Marathon Winters, 2 Ice Spiker Pros, and 2 Big Apples. Never got a flat on any of them with over 20,000 miles combined. For commuting, I prefer the Supremes and the Racers.