"SketchUp is a simple but powerful tool for quickly and easily creating, viewing and modifying your 3D ideas.
Sweet, huh? Particularly the shadow casting. I don't know how that could be helpful, unless you want to know if the new gazebo will shade the rose garden for too much to the day, but it's totally cool that it can be done.
I haven't tried it myself since the Mac version is "coming soon," but I heard lots of great things, so you can be sure we'll have a go as soon as we can. If anyone has a chance to give it a try, let me know how it works!