The reason you haven't heard about Jadis for awhile is that they have not had an importer for many years, ever since Viktor Goldstein ceased bringing them into the US. Viktor does have a stash of parts, however, and the amps are due back before long. The price has increased due to the exchange rate, but that's true of everything made in Europe.
Jadis amps and pre-amps still competitive?
How does Jadis amps (Defy7, JA 200, ect.) and pre-amps (JPL MK2, 80 MC), compare with the more popular amps of today from VTL, LAMM, and Audio Research. You don't hear much about them anymore. I remember that they were highly regarded when Mr. Victor Goldstein was the importer.