Originally Posted by
Timequake
If you want to go that route, a comparable tire to Schwalbe Marathon is the Continental Contact. They're a faster, lighter tire but still have great flat protection. I've had good luck with them.
+1. Although I will add that I have been using the Top Contact/Contact II version. Have toured on them both on and off pavement, including some pretty rough/rocky, mountainous/hilly roads with no problems.