The Schwalbe Marathons have a reputation. They inspired this video, if that tells you anything:
http://www.youtube.com/watch?v=-XUFVrl0UT4
Originally Posted by
Face Palm
* And yes, the tires are always easier to mount the second time around.
For that reason, I've heard that some folks will mount the tire without a tube first, just to stretch out the bead slightly, before installing it "for real."