850 for the latest pre-asph? Not terribly bad... If you want it, go for it, but be advised that his prices are, indeed, a bit steep (though he's a nice fellow). Also, keep in mind you still can get one of those (aka 3rd version, made in Canada) for a bit less.
Mine came from an eBay auction. I was willing to shell out $750, but ended up paying $678 or so.
So, keep shopping!