I'm really glad that Davi started this forum. I've been playing around with Sketchup for a few months now and I really love it. It's much more intuitive for me than "real" 3d applications
I'll try to update this regularily with some of my sketchup experiments
Here's something I've done for a test job a couple of months ago, I was supposed to design some barrels for a huge futuristic gun they had pre-designed.