Gday Alex
There is a German site advertising the "Amateur" version for
only 27000euro ( plus shipping )
http://www.astrocom.de ( put ntm-500 in the search box )
With the Aud at 0.51 thats say Aud 53,000
Dunno how much the "extras" to make it work add on :-)
but a 13kg counterweight appears to be 220euro
Andrew