brucifer
Songster
if you're computer inclined at ALL, you should download and play around with Sketchup.....watch the how to videos, and play around with it, it's a very good CAD program, it's free and it's relatively easy to use
Yes, I have used SketchUp. That is very cool software, and Sketchup Make is still free. The only thing I don't like is that when it comes to framing corners and that kind of thing, Sketchup doesn't provide a way to add detail. You're right though, for coming up with a general concept, Sketchup is an excellent CAD program.