If you haven't heard, I was told they went out of business. Very sad as I like their speakers and put the S150 system in my families house many years ago.

http://www.google.com/search?client=safari&rls=en&q=M+%26+K&ie=UTF-8&oe=UTF-8

edit:

Apparently this is old news, but it was new to me.

http://www.stereophile.com/news/030507kreisel/