I can second paraguy, I have 4 Danneckers, an 'Optimus' and 3 'Dannecker Blues' harps, outstanding quality (which you would expect for the cost) heavy Harps, (two of my 'Blues' have steel/metal combs) and my 'Optimus has a clear synthethic comb but with heavy outer plate made from polished steel, they sing like birds, have and have a beautiful tone which, to my mind makes all the twaddle about wooden combs a nonsense, tests have been carried out among pro players and most of them can't tell the difference in a blind test, although many of them still insist that wood is best.
The polished outer covers are a delight, no sore lips etc and I have gone for just intonation on the tunings so that the chords sound rich and full.
If you get one and are disappointed with it, put my name down as the first person to buy it from you

Regards,
Bluesman