Yes,
That was an early version of the Aleph with three stages.
http://www.passlabs.com/downloads/ol...duct/a0man.pdf
I think its seriously too much money for a used amp. As you mentioned there are some great diy clones and given the price differential its worth looking at.
Here is an indication of what to pay US$ but he will not sell outside the USA as I understand it. http://www.marksammut.com/List.html
Talk to me off line about it.