So a while back I started on a model to replace the artillery truck from CT. I found a cool picture that I wanted to base my model off of:

I started my model from the chassis, building it up from there. Did not go well. Total "modelers block", just couldn't make anything worth a crap. Here is what I came up with...
Awful, right? Just couldn't get it together, I'm sure that happens to even the best of you guys. This is actually like the third almost-identical attempt.
So I finally just threw it out and started again... this time, making the gun first. Focusing on making the gun look "cool", I ended up with a great place to start from. And it flowed so much better... no real creative hang-ups... The chassis I ended up making wasn't that great, but a lot better than before I think!
Still a WiP, but I thought it would be fun to share these two different results. Interesting, how stumped I was starting from the actual truck, but when I started with the gun everything fit together a lot more.
So, out of curiosity, what do people find to be their approach? I'm sure it's different from model to model, but I thought it'd be fun to exchange stories
