I inquired about buying one of those from someone about 15 years ago. They also wanted too much for it (forget the number, but I remember it being outrageous). Pretty cool machines though.
That shute looks like a disaster. Far too tall -- it would hook on everything less than... (12? 15?) feet high. Take out the bottom 2 sections and it would be MUCH better. Not really sure what he was thinking with that tall of a shute, just point the flap up or down to direct the snow.
Whoever got $3200 to make that disaster really took advantage of that guy. I could make a disaster just like that with $50 worth of scrap metal and a couple of hours. Not that I would....