I've had it on my mtn bike wheel set (Stan's NoTubes "ZTR Crest" rims w/Specialized Fastrack Comp tires) for almost two years now and haven't had a bit of trouble with it. Been through about 10 AR's and countless Michigan single track rides. The ride is much livelier and responsive (not to mention lighter weight) to me. I like it a lot.
Hoping the set up on my Roval Control 29 (700cc) rims works out just as well for my Cyclocross/Gravel bikes. Feels good so far as I can tell. Honestly, wouldn't go back to "tube" wheels unless I had to.