UPDATE UPDATE UPDATE!
I have my own set of jumping stilts now! In a nutshell, these things are AWESOME and would be AWESOME to take to burning man. However, they cost $350 and im not sure if I am willing to risk taking them to the playa. The frame is made of aluminum and the spring itself isnt a steel spring at all, but a fiberglass bow. I am unsure of the effect that the corrosive playa dust would have on bolts that hold it together and enable its dynamic movements. I really dont want to have to replace these because of burning man (I just got them!) but I am so tempted to take them anyway. I am having incredible fun with them right now.
Other concerns are that they might slip out on the dusty surface, leading to injury or at the least, severe annoyance and reluctance to use them. I have no problem walking with them on concrete or soft grass, but all it would take is a minor slip for them to fail outright, especially if I am running or leaping with them, which is kind of the point of owning them to begin with.
Google an image of jumping stilts if you have never seen them. I just wish there were more experienced jumping burners who could advise me on the issue of whether to take them or not.