Yeah, well, the Mac's volume control goes up to 11!
(waiting for who catches the reference first)
But seriously, Quarts Extreme may be a stupid marketing name, but the underlying technology is awesome. Microsoft is still trying to duplicate it in an operating system with an unknown release date a couple of years away. Quarts Extreme is here, now, and it works.
Couldn't you just make "10" louder?
Nigel Tufnel.