I too am in the Tornado's camp. I love its simplicity. It has decent documentation. And if there's something you don't understand you just peek at the source. I

I too am in the Tornado's camp. I love its simplicity. It has decent documentation. And if there's something you don't understand you just peek at the source. I tend to write my code independent of tornado, so if the need arises I can switch to a different framework.