I do indeed have them. I can attest to how awkward they are because they dip down too far for my current setup. If I want to end up using them I'll have to get a 53cm-ish frame... The flats are nice, the horns are too, its just a matter of dialing it in correctly.
Lets just say they were short lived with that setup. I advice against them, unless you can test them out first.