Originally Posted by Andy_K

This is important information. The majority of punctures I get are from glass or bits of metal. Many nice rolling tires will resist that kind of thing. Goat heads are a different level. They are the reason that tires like the Marathon Plus exist.

You could try tubes with sealant (either pre-filled or added to tubes with removable valve cores). I don't encounter goat heads often enough to know how well that would work. If not, I think you're going to need slow and heavy tires.