I was looking around and found this old thread. The DH22 is actually narrower than the DH19, but they weigh the same. So the 19 might be less beefy. Either way, it gets some bad reviews. One thing though is that if a builder follows The Method as described by Jobst Brandt in his seminal book, he is likely to overtighten rims. Jobst always says he hasn't re-written his book because nothing much has changed. But I came across the problem of how to stress test an aero section rim, when they won't taco without damage to the rim. I asked the manufacturer what specs they recommended, and they gave me one number for the whole rim range. Very anti Jopbst. So I wrote Jobst and he said go with the spec, the strength, such as it may be, is now being built into the rim section. He prefers the previous system, but this is what we have. So as far as people blowing up rims at the spoke junction is concerned, it could come down to not following the specs.