Hi All,
This has been a good discussion to follow, I've appreciated everyone's insight and comments.
I'm an architect as well, and it's interesting to look at how technology again is going to change the way we produce drawings (similar to CADD in the 80's).
I think at one level, there needs to be a change in how we think arch drawings need to "look". In some ways, we've continued to hold on to methods from the hand drafting days (e.g dashed lines for above or hidden items, etc)even though we now have the ability to do color transparency, x-ray view, 3D views, 3D section, etc in very quick fashion. I think these methods in many ways can communicate much clearer to a contractor for scope, design intent,resolve detail issues, etc. Take a look at Dennis F's work at insitebuilders.com, or Mortenson Construction as other people pushing the use of SU in very compelling ways.
Guess my thought on this is, I don't think we should try to make SketchUP into everything the bloated BIM software or CADD apps are. Adding additional dimensions (like angle and radius) to Layout, and improving linetypes are great suggestions. But it would also be great for us architects to explore the possibilities in new ways of graphic communication that the software allows us to experiment with.
I believe SU and Layout is going in the right direction, and is already in its present state extremely capable, more than we give it credit for (and this from a $500 software that in some cases rivals the $6000 BIM software I use, that shall remain nameless........)
WB