1. I've never used a sealent or a tire liner. I think that, if a product is properly designed, you shouldn't have to buy add-ons to make it work.

2. I do use tires that have a degree of puncture resistance. If you study the various company's offerings, you'll usually discover that they offer similar tires with a variety of levels of puncture resistance.

3. The most puncture resistant tires ride like cart wheels. The highest performing tires have poor puncture resistance. That's OK. Just pick a tire that's somewhere in between that matches your needs.

4. How do you know what your needs are? Just pick a tire and ride. If your tires puncture more frequently than you're willing to live with, buy something more puncture resistant next time. If you never puncture, I'd buy something that's more supple and high performance next time.

5. If you frequently ride with a group, forget the above and buy whatever tires they use. I don't know if they'll be any better but, if you have a puncture in the middle of a group ride, you won't have to endure a lecture about your stupid tire choice.

One other thing. Do you live in goathead thorn country? If you do, only take tire advice from other people who live with goatheads. That's not me.