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Let's start a thread, I think that's a great idea! Next year my aim is to improve the tutorials available to people and write some of our own. You might like this, a cave generator tutorial I wrote a while ago for another site:

There's also this post I wrote recently, for entering PROCJAM with no coding at all! All these projects give you an opportunity to think about generative systems without writing code yet:

Hope some of that helps :)