Tufos are great tires. I haven't heard any bad things about them in terms of performance, I'd say all of their claims are true. The primary disadvantage is that like all tubulars, they are a pain to repair when you get a flat. They sell a special sealant which is supposed to work to seal small punctures, however. I'd certainly be willing to give them a try -- a lot of people really like the ride and the convenience. Just be sure to order 3 so you can carry a spare.