Mike,
To answer your question of design time, this of course depends on size and complexity of the structure. Time also depends on if we are developing all plans (architectural, timber frame and SIP's).
I work with clients world wide and develop a web page for client where they can also view plans, this saves time too.
If providing you all plans(architectural, timber frame and SIP's)I would guess at a 3-6 weeks turn around time and plans that an owner builder can build from.
Of course you also need to remember the designers schedule and how soon you need to prepare for your project to be locked into their time frame. This can sometimes be months in advance.
Hope this helped...
http://www.timberframedesign.netRegards,
Don
