Hi Joe,
With the little I have had to do with Ozone, I've seen no trailing edge damage. My team rider over here loops like lenten and I had a good look at his kite the other day whilst finding a leak in the inflation tube on the one pump. I was surprised to find his entire canopy was mint condition after three months of very hard riding.
I've seen his kite hit the water and even the beach flat out many times and no apparent damage. I was thinking it may have been necessary to trade his kite in for a fresh one but after close inspection, there's no need.
I think if you have a look at some of the Ozone kites from 2007 you'll find them to be in top condition too. I don't know what the difference is between their cloth and that of other kites, but it stands up to a beating really well and seems to hold it's shape for a long time.
Cheers mate,