I've never used them, and they may have changed in the last 10 years, but a couple of the guys that ran them back then didn't get the expected lifespan and were a bit disappointed.
Never heard problems with the OME's on any large scale, but I haven't run them for years either. My sets were OK when I had them.
I have run Koni's for the last 15 years ...... good too.....
Mic
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