Just a very quick post inviting anyone who hasn't tried SketchUp to try it out, or "try it again for the first time." Alternately you can pass this along to anyone you've been encouraging to try out SketchUp.
Here is a guide to getting started quickly: Get Started
Here is a page from the guide specifically about getting started on basic SketchUp drawing techniques: Draw in SketchUp
And last but not least.... here is a page for downloading the actual SketchUp program (free...not a trial, just free): Download SketchUp Free
Oh, and Google Earth if you want that too for putting your building models on Google Earth: Download Google Earth
It's fast to learn and pretty fun once you've got the hang of it.