I use it for 9 months (in the Paris metro, among other things) and I pick up yet ... it really is a fantastic instrument!
The sonnorité is truly unique, carrying ca ...
I tried two in store, a very special (special order, special acordage) and an FA pentatonic with which I left
As said in another post, this is a very fragile instrument (to play only with your hands), ca crain the sun, the shock and also the humidity (it is advisable to dry thoroughly after each use). But really it's worth it!
600 Roros the cheaper (65 euros per house) is the dosh but I do not care it's too good and I retabilisé! Do not forget that this is done by hand in a single workshop by two Swiss craftsmen, so necessarily like that demand a lot of work to make, ca has a price.
I would buy a good but are no longer available or in-store or order .... to stay in Bern at the workshop to get one. Yes life is hard .....

A video on this website (watch it makes you want)
http://www.percussions.org/forum/ftopic837-0-0-asc-.php

The site of the store that sells old days ...
http://www.djoliba.com/index.cfm?secid=2&subsecid=69&myinclude=instrumentview.cfm&instid=177