I have five eggs, one was purchased new. I was never worried about the warranty issue. So far I have replaced a firebox on the mini, and the large firebox is cracked, but its still cooking without issue. I also have a bubba keg, and I have to be honest, it cooks like the egg. Long term though, I am pretty sure my eggs will outlast my bubba keg.
The bubba keg is for traveling, the eggs don't move, so they don't fall over and break.
John - Salt Lake City, UT