-> I've of course heard of that program,  but never actually tried it,  much less
-> worked with it.  This sort of thing is of some interest to me,  and I've
-> collected a few links to follow when I do get past some of what I'm doing now
-> and find the time to pursue it a bit further.  I don't think autocad will be
-> included in that,  though -- it's closed,  proprietary,  and expensive,  isn't
-> it?

 It is expensive. But watching a Draftsman working it is Facinating. 
And making changes after construction is easy compaired to making new
Master file prints the old fashoned was. Bidders even could pick up
their Bid packages with the prints in digital form.
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