Got the Ciares for 170€ per piece at teamaudio.fr
With just a cap in front of the tweeter and the woofer running fullrange I think I can already say I like the sound of the kapton tweeter. More transparent than mylar and less agressive than titanium.
Wish me good luck for the crossover

If I don't make it I run it fullrange plus high order highpass, but after measuring the woofer I prefer a conventional two-way.